Friday

August 1, 2014

August 1, 2014

Number of results: 117,908

**Math**

Choose the three true statements about the graph of the quadratic function y = x2 − 3x − 4. Options A) The graph is a parabola with a minimum point. B) The graph is a parabola with a maximum point. C) The point (2, 2) lies on the graph. D) The point (1, 6) lies on ...
*June 5, 2010 by S Rey*

**calculus**

let f be the function f(x) = x^3 + 3x^2 - x + 2 a. the tangent to the graph of f at the point P = (-2,8) intersects the graph of f again at the point Q. Find the coordinates of point Q. b. Find the coordinates of point R, the inflection point of the graph of f c. Show that the...
*March 23, 2010 by mary*

**college algebra, Please help!!**

Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List the x-intercpts, if any...
*November 9, 2012 by ladybug*

**college algebra, Please help!!**

Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List the x-intercpts, if any...
*November 9, 2012 by ladybug*

**Math - point on the graph (check +help)**

Determine the coordinates of the point on the graph of f(x)=sqrt(2x+1) where the tangent line is perpendicular to the line 3x+y+4=0 I do not seem to get the answer... I find the first derivative of f(x0 and equate it to the value of the slope from the tangent line. the answer ...
*October 23, 2010 by Anonymous*

**Math-due today, need a check**

Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts. Provide an example to support ...
*December 2, 2009 by Lisa*

**Math- calculus**

Given f(x) = x ^ 3 - x ^ 2 -4x +4 Find the zeros of f. Write an equation of the line tangent to the graph of f at x = -1 The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes through the point (0,-8) which is not of the graph of f. Find a and b...
*September 25, 2009 by Erin*

**calculus**

answer the questions about the following function f(x)= 10x^2/x^4+25 a. is the point (-sqrt 5,1) on the graph b. if x=3, what is f(x)? what point is on the graph of f? c. if f(x)=1, what is x? what points are on the graph? d. what is the domain of f? e. list the x-intersepts? ...
*December 16, 2012 by Help--Please help!!!!*

**math graphs**

4. Which equation would you use to find out if the two lines in the graph are parallel? (1 point) LINE #1: point a: 1, 4 point b: -2, 1 LINE #2: point c: 3, 3 point d: -1, -1 a. 4 - 1/-2 - 1 = 3 - 1/3 - 1 b. 4 - 1/-2 - 1 = 3 - (-1)/3 - (-1) c. 4 - 1/1 - (-2) = 3 - (-1)/3 - (-1...
*May 5, 2014 by Divergent Dauntless*

**Math**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 19, 2009 by Salman*

**Math**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 20, 2009 by Salman*

**Math/Algebra**

Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts. Provide an example to support ...
*December 2, 2009 by L*

**math~ helpp pplease**

(3,5) is a point on the graph of y = f(x). Find the corresponding point on the graph of each of the following relations a) y=3f(-x + 1) + 2 what do I do with the negative sign before the x (-x)?
*November 24, 2011 by Jay*

**Pre-calculus-check answers**

Choose the statement that is true for the graph f(x) =x^3-12x. Answer: f(x) decreases for x >-2 2) Which type of critical point, if any, is present in the graph of f(x)=(x-4)^5+1 Answer: none
*August 23, 2008 by Lucy*

**Math 12**

(2,1) is a point on the graph of y= f (x) . Find the corresponding point on the graph of each of the following functions a) y= -f (-x) +2 b) y= f (-2(x+9))-7 c) y= f (x-2) +2 d) y= 0.3f (5(x-3)) e) y= 1- f(1-x) f) y= -f (2(x-8))
*October 11, 2011 by Tarkan*

**Physics**

I have no idea how to do this. Anyone help? A cyclist passes a race check point at +5.5m/s and then accelerates ata constant rate of +.55 m/s^2. The cyclist forgot to check in at the check point, and after 20s turns back around to head back. How far did the cylist move from ...
*October 8, 2009 by me*

**Math--Calculus**

Let y = f(x) be the continuous function that satisfies the equation x^4 - (5x^2)(y^2) + 4y^4 = 0 and whose graph contains the points (2,1) and (2,2). Let L be the line tangent to the graph of f at x = 2. (a) Find and expression for y'. (b) Write an equation for the line L. (c...
*November 12, 2007 by Sophee*

**math**

Consider the cubic graph y = 3x^2 − x^3. (a) Write 3x^2 − x^3 in factored form. (b) Use this form to explain why the graph lies below the x-axis only when x > 3, and why the origin is therefore an extreme point on the graph. I mostly need help with what an ...
*April 22, 2011 by jane*

**College algebra**

Answer the questions about the following functions. f(x) = 14^2/x^4 + 49 (a) Is the point (-sqrt 7,1) on the graph of f? (b) If x=1, what is f(x)? What point is on the graph of f? (c) If f(x)=1, what is x? what point(s) are on graph of f? (d)What is the domain of f? (e) list ...
*March 14, 2013 by Jenn*

**math**

If the point (6, -12) is on the graph of y=f(x), which point must be on the graph of y=f((-1/3x)+6)? so far, I have y=f(-1/3(x-18))
*June 16, 2009 by sh*

**math**

1. Which graph might show the temperature during a 24-hour period? (1 point) A B C D 2. Which graph might show the amount of money in a bank account if money is never taken out? (1 point) A B C D 3. Which graph might show the amount of money in a bank account if money ...
*April 30, 2014 by Danica*

**Calculus**

1. Given the function f defined by f(x) = x^3-x^2-4X+4 a. Find the zeros of f b. Write an equation of the line tangent to the graph of f at x = -1 c. The point (a, b) is on the graph of f and the line tangent to the graph at (a, b) passes through the point (0, -8) which is not...
*January 16, 2012 by Anonymous*

**Math**

The quadratic function f(x) = x^2 is transformed to g(x) = -2/3(x+3)^2 + 6 The point (6,36) on the graph of f is transformed to which point on the graph of g? Could someone please show me how to solve this:\
*December 7, 2011 by -Untamed-*

**math**

(2,-7) is a point on the graph of y=f(x) . Find the corresponding point on the graph of y= 3f(5(x-1)+1 .
*May 30, 2012 by bill*

**Math - point on the graph**

Determine the coordinates of the point on the graph of f(x)=sqrt(2x+1) where the tangent line is perpendicular to the line 3x+y+4=0
*October 21, 2010 by Anonymous*

**cal**

Equations of the tangent lines to hyperbola xy=1 that pass through point (-1,1) I know the graph of y=1/x but not sure about the tangent lines at given point. Are the lines tangent to (1,1) and (-1,-1)? You're correct, the graph is y=1/x, so find y' to get the slope at any ...
*September 26, 2006 by Melba*

**math**

Um... i cant find anything about this in the textbook, help??!! 1. m - 7 < 6 (1 point) m < -1 m > 1 m < 13 m < -13 2. x + 4.5 > 5.5 (1 point) - x > 10 - x > 1 - x > 0.1 - x < 1 - 3. p + 12 > 9 (1 point) p > 21 p > 3 p > -21 p > -3 4...
*January 3, 2014 by TTR+S<3 *

**Math 8th Grade**

I would greatly appreciate it if someone would please be kind enough to take the time and show me how to work these problems. Thank you very much Solve by finding y and graph using the slope and y-intercept: 3x-y=1(My answer -y=3x+1)which is wrong could not graph it. x-y=3 (My...
*May 12, 2012 by Please help me*

**Maths**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 19, 2009 by Salman*

**Calculus**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 19, 2009 by Salman*

**Maths**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 20, 2009 by Salman*

**Calculus**

There is a point (P) on the graph of [x^2+y^2- 136 x + 12 y + 4560 = 0] and a point(Q) on the graph of [(y + 6)^2 = x^3 - 116 x^2 - 417 x + 267460] such that the distance between them is as small as possible. To solve this problem, we let ((x,y) be the coordinates of the point...
*November 20, 2009 by Salman*

**VERY URGENT MATH!!!**

1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 2y +3z (1 point) 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6 –6m + 6 6m + 18 18 MY ANSWERS: 1)B 2)D 3)D 4)A 5)A...
*December 21, 2012 by Gabby*

**Calc**

Write the equation of the line tangent to the graph of the function at the indicated point. As a check, graph both the function and the tangent line you found to see whether it looks correct. (1/x^3 -x)^2 at x= 2
*February 21, 2012 by Mike*

**Math**

Write the slope-intercept form of an equation of the line that passes through the given point and is parallel to the graph of each equation. 1. (3,2), y=x + 5 2.(4,-6),y=-3/4x + 1 3.(-8,2),5x-4y=1 Could you guy check if these are the answer? 1.y=x-1 2.y=-3/4x -3 3.y=5/4x + 12 ...
*April 13, 2010 by Shadow*

**calculus**

Find the point on the graph of f(x)=√x that is closest to the value (4,0). (differentiate the square of the distance from a point (x,√x) on the graph of f to the point (4,0).)
*December 6, 2011 by Roberto DX*

**Algebra II repost- please check**

I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = -2(x - 3)2 + 4? 3. Does the graph of y = -2(x - 3)2+ 4 open up or down? My answers: 1. I cannot ...
*November 27, 2007 by JaneLee*

**calc**

the tangent line to the graph of y=sin x at the point (2pi/3, (radical 3)/2) crosses the sine graph at the point where x=?
*May 2, 2010 by Lauren*

**Math**

1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point) relationship between favorite ...
*April 5, 2013 by Anonymous*

**calculus**

6. Determine a, b, c, and d so that the graph of y=ax^3+bx^2+cx+d has a point of inflection at the origin and a relative maximum at the point (2, 4). Sketch the graph.
*January 3, 2012 by Yoona*

**precalc!!!!!**

The point (5,-2) lies on the graph of y=f(x), and assume f^-1(x) exists. Find the corresponding point on eAch graph. A). Y=f^-1(x) I get (-5,2) B). Y=-f^-1(-x)+4 I get (5,2) C). Y=f^-1(x+2)+3 I get (-7,5) Did I get these right?
*March 10, 2012 by L.Bianchessi*

**precalc!!!!!**

The point (5,-2) lies on the graph of y=f(x), and assume f^-1(x) exists. Find the corresponding point on eAch graph. A). Y=f^-1(x) I get (-5,2) B). Y=-f^-1(-x)+4 I get (5,2) C). Y=f^-1(x+2)+3 I get (-7,5) Did I get these right?
*March 10, 2012 by L.Bianchessi*

**precalc!!!!!**

The point (5,-2) lies on the graph of y=f(x), and assume f^-1(x) exists. Find the corresponding point on eAch graph. A). Y=f^-1(x) I get (-5,2) B). Y=-f^-1(-x)+4 I get (5,2) C). Y=f^-1(x+2)+3 I get (-7,5) Did I get these right?
*March 10, 2012 by L.Bianchessi*

**College Math**

2008 (2nd)Course2-4.1 We are to find a function f(x) such that its derivative is x^2+x-1 and the graph of y=f(x) is tangent to the straight line y=x+1. First we find the coordinates of the point at which y=f(x) and y=x+1 are tangent.Since the slope of the tangent line is A,the...
*June 10, 2011 by Bayarbold*

**Math**

I have a graph which I need to find the equation of. It's an absolute value graph, the vertex/middle point is at (-2, 5) and 2 points that lie on the graph are (1,10) and (-5,10). It needs to be in 'y=' form. I'd appreciate it if you explained how to do find the equation, too.
*April 10, 2009 by Jose*

**pre calculus**

If f and g are inverse functions and the point (-3, 5) is on the graph of f, then the point ____ is on the graph of g
*October 10, 2011 by vedo*

**Math**

An open box is to be made from cutting squares of side s from each corner of a piece of cardboard 25" by 30". a.Write an expression for the volume, V, of the box in terms of s. b. Graph V(s) using your graphing calculator. Identify the domain and range of this graph. I believe...
*August 15, 2009 by Anonymous*

**MATH**

Give a response of at least 50 words to the following: Describe the graph of the interval [-4, 3). • Explain how this differs from the graph of the interval [-4, 3]. From the question above, does the answer below sound right? The interval notion is a way to express solutions ...
*December 16, 2009 by H*

**infinite discontinuity**

How do check the graph of a function has an infinite discontinuity at a point or not? (without the help of a graphing calculator) example: Check whether y = (x^2-9)/(3x-9) has an infinite discontinuity at x = 3 or not CAn you get rid of the denominator? (x+3)(x-3)/3(x-3) in ...
*December 11, 2006 by Jen*

**Math(Please check)**

Find the slope of the graph at y=sqrt 2x^2 +1 at the point (2,3). First I plugged 2 into the equation and got 3. Then the derivative of the equation is 4x and then I multiplied that by 3 and got 12. Is this correct?
*February 5, 2011 by Hannah*

**mathematics**

using a graph plot the following points: point 1 (1,0), point 2 (1,-1), point 3( 1,-2), point 4(2,-2)draw lines to connect from point 1 to point 3 to point 4, the lines you have just drawn most resemble which of the following letters of the alphabet? x, o, n, or l.
*May 17, 2010 by patricia*

**Algebra I**

When given a point on a graph, (3,5) and the slope (-2), how do I find another point on the graph?
*November 14, 2007 by Mary*

**AlgebraB-2**

1. What are the coordinates of the vertex of the graph? Is it a maximum or minimum? 3. How is the graph of y = –2x2 – 4 different from the graph of y = –2x2? (1 point) 4. Graph the function. Identify the vertex and axis of symmetry.
*March 19, 2013 by Jennifer W.*

**math**

If your drawing a sine graph and you have to mark the point sine(65, how do you figure out where the point goes? (The sine graph goes up to 1)
*September 30, 2007 by Anonymous*

**Calculus**

Graph of a piecewised function is f(x)=1, x>0 and f(x)=-1, x<0 What is the lim f(x)=? x-->-3 I did the following: My f(x)=1, x>0 graph started from the point (0,1) and extended right infinitely. My (x)=-1, x<0 graph extended from the point (0,-1)infinitely ...
*September 9, 2011 by lania*

**Physics**

Is this the proper description of the statement...(it's a d-t graph) The slope of the graph at point A is 30. Ans: The instantaneous velocity of the object at point A is 30. Or is it supposed to be instantaneous acceleration.
*February 6, 2008 by Anonymous*

**calculus**

find a function f given that (1) the slope of the tangent line to graph of f at any point P(x,y) is given by dy/dx=3xy and (2) the graph of f passes through the point (0,2)
*April 10, 2012 by mabel*

**calculus**

The function f is defined by f(x) = x^3 - x^2 - 4x + 4 The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes thru the point (0, -8) which is not on the graph of f. Find the values of a and b. I have no clue how to solve this I know the ...
*September 30, 2007 by nick*

**calc**

The function f is defined by f(x) = x^3 - x^2 - 4x + 4 The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes thru the point (0, -8) which is not on the graph of f. Find the values of a and b. I have no clue how to solve this I know the ...
*September 30, 2007 by nick*

**chemistry**

a graph of melting point against relative atomic mass for the alkali metals on the same graph, a plot of the boiling points with a sentence to describe the information the graph gives
*November 28, 2010 by ad*

**algebra**

The cost of producing a number of items x is given by C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item). (a) If the fixed cost is $40 and the variable cost is $10, write the cost equation. (b) Graph the cost equation. (c...
*July 23, 2007 by jen*

**math-Inverse functions**

f(x)=-4x-2 & g(x)=5x-6. Find (f*g) and state domain. f(x)-x^2-1 what is the equation for f^-1(x)? f(x)=3x+2, find f(f^-1(14)). f(x)=4x+7 and g(x)=3x-5 find (f*g)(-4) f(x)=sqrt x+3 what is equation for f^-1(x)? Graph y=sqrt x-2 +5 which point lies on graph? A(7,6) B(0,5) C(-2,5...
*January 31, 2009 by Anonymous*

**math**

With regards to question J: The variables x and y are connected by the equation y = x2 - x - 5. Some corresponding values of x and y are given in the table below. x -4 -3 -2 -1 0 1 2 3 4 5 y 15 7 a -3 -5 b -3 1 7 15 (a) Calculate the values of a and b (b) Use 2 cm to represent...
*January 24, 2011 by jun*

**Calculus**

Sketch a graph of the parabola y=x^2+3. On the same graph, plot the point (0,−6). Note there are two tangent lines of y=x2+3 that pass through the point (0,−6). The tangent line of the parabola y=x^2+3 at the point (a,a^2+3) passes through the point (0,−6) ...
*June 17, 2013 by Robin*

**math (transformations)**

point (-3, 8) is on the graph y=f(x) find the new point on: y = f(x - 2) -3
*July 4, 2008 by Tom*

**Math**

Point (-6,12) is on the graph of y=f(x). Find a point on the transformed function y=-2f(x-1) a)(-7,-24) b)(-5,-6) c)(-5,-24) d)(-7,-6)
*September 15, 2009 by Anonymous*

**Math Help PLease Fast!!!!!!!!!!!!!!**

Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system. x > ¨C2 y ¡Ü 2x + 7 A. (¨C1, 6) B. (1, 11) C. (¨C1, 4) D. (¨C3, ¨C1)
*December 12, 2012 by Lola*

**math**

Find the point on the graph of the function closest to the given point. Function f(x) = xsquared Point (2, 1/2)
*December 7, 2011 by Son*

**college math**

find the slope of the tangent line to the graph of f at the given point. Graph f and the tangen line. 9. f(x) = 3x +5 at (1.8) 10. f(x)=2x + 1 at (-1,3) Please, help me with this problems. thanks
*October 19, 2011 by Dave*

**Calc**

Line L is tangent to the graph of y= x- (x^2/500) at the point Q a) find the x coordinate of point Q B) right an equation for line L C) suppose the graph above were a hill (measured in feet). There is a 50 foot tree growing vertically at the top of the hill. Does a spot light...
*January 25, 2013 by Danny*

**Calc**

Line L is tangent to the graph of y= x- (x^2/500) at the point Q a) find the x coordinate of point Q B) right an equation for line L C) suppose the graph above were a hill (measured in feet). There is a 50 foot tree growing vertically at the top of the hill. Does a spot light...
*January 27, 2013 by Aparna*

**algebra**

write an equation for a graph in slope-intercept form if the slope of the graph is 5/-4 and one of the coordinates of a point on the graph is 1,-1).
*January 3, 2011 by Blue13*

**calc**

let f be function given by f(x)= Ln(x)/x for all x> 0. the dervative of f is given by f'(x)= (1 - Ln(x))/x squared. a) write equation for the line tangent to the graph of f at x=e squared b) Find the x-coordinate of the critical point of f. Determine wheter this point is a ...
*May 19, 2008 by sarah*

**Math Ms. Sue please**

1. What type of graph does not show the number of times a response was given? (1 point) box-and-whisker plot line plot stem-and-leaf plot bar graph 2. Which of the following types of information is suited for display on a scatter plot? (1 point) relationship between favorite ...
*March 20, 2013 by Delilah*

**calculus**

If a function f is continuous for all x and if f has a relative minimum at (-1,4) and a relative minimum at (-3,2), which of the following statements must be true? (a) The graph of f has a point of inflection somewhere between x = -1 and x=3 (b) f'(-1) = 0 (c) The graph of f ...
*December 27, 2011 by Sam*

**Chemistry(Please check)**

1) Where in the phase diagram of a compound do all phases exist together? a) at the sublimation point b) at the boiling point c) at the melting point d) at the critical point e) at the triple point I chose answer E, the triple point. Is this correct?
*January 28, 2012 by Hannah*

**Alg. 2**

I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one. f(x)=x(x-1)(x+2)(x+2). I graphed my zeros and made the right arrow go up and the left arrow go down. I plotted my first point by pluggin in -1. My first point is (-1,2). ...
*February 13, 2008 by Miley*

**Math help Please**

2. How do the graphs of y = 1/x and y = 3/x – 4 compare? (1 point) Compared to the graph of y = 1/x, the graph of y = 3/x – 4 is a vertical stretch by a factor of 3 and a translation of 4 units left. Compared to the graph of y = 1/x, the graph of y = 3/x – 4 is a vertical ...
*January 9, 2014 by Cassie*

**chemistry**

this is what my lab report looks like (minus the graph of the first part) im stuck on part II I. A. unknown 1 melting point range (uncorr) 50.0-53.0 melting point range (corr) 50.2-53.2 (because of graph from part 1 of experiment) melting point average 51.7 b unknown 2 melting...
*January 18, 2011 by jessica*

**math (please check answer)**

What type of graph does not show the number of times a response was given? box-and-whisker plot****** line plot stem-and-leaf plot bar graph
*April 19, 2014 by person *

**Math**

Find the point on the graph of the function that is closest to the given point. Function Point f(x) = x^2 (16, 1/2) (x, y) = ( ) ?
*March 4, 2012 by Malika*

**Algebra help+check please?**

Graph the function. Compare the graph with the graph of f(x)=x q(x)=x-1 How would I do this? Cause, I do know that f is the same thing as y and so that in the problem it'd be y=x-1 right? Could somebody please explain how to do this STEP by STEP?
*November 14, 2010 by Allyson*

**Physics ( Calculus & Mecahnics ) **

A proton with mass m moves in one dimension.The potential-energy function is where and are positive constants. The proton is released from rest a x0 = a/b. (a) Show that can be written as U(x) = a --- [ ( x0/x )^2 - x0/x ] x0^2 Graph U(x). Calculate U(x0) and thereby locate ...
*January 23, 2011 by Clark*

**math**

The function f(x)= ax^3 - bx +c passes through the origin, f(-1)=4/3 and it has an extreme point at x=1 (i) Find the values of a, b and c. (ii) Sketch the graph (iii) Find the area bounded by the graph of f(x) and the x-axis between the lines x=-1 and x=1
*April 25, 2013 by gibbs*

**math/trig**

What graph is traced by the equation (x, y) = (5sin 12t , 6−5 cos 12t)?Think of another equation that will produce the same graph. Use your calculator to check.
*April 11, 2010 by sally*

**Algebra**

graph the equation x-3=y (where do I plot the points?) find the intercepts and then graph: 5x+4y=20 find the intercepts and then graph: 1.4x-1.3y=3.64 graph the equation using slope and y-intercept: y=10/7x +4 graph using slope and y-intercept: x+2y=8 graph by plotting points...
*July 18, 2010 by Jacquie*

**Trigonometry**

Sketch a height versus time graph of the sinusoidal function that models each situation. draw at lease three cycles. assume that the first point plotted on each graph is at the lowest point: a girl lying on a an air mattress in a wave pool that is 3 m deep, with waves 0.5 m in...
*January 1, 2011 by Allison*

**Algebra 2**

If the point P is on the graph of a function f, find the corresponding point on the graph of a given function. P (0,5) y = f ( x + 2 ) - 1
*October 28, 2013 by Serena*

**Algebra**

Solve by graphing. Check your solution. y > 2 y > -x + 2 Am I supposed to graph this one on a line or on an actual graph? Thank you.
*February 24, 2009 by Zoey*

**Math**

1. –9p – 17 = 10 (1 point) –3 16 18 –16 2. w over four – 4 = 3 (1 point) –4 28 3 11 3. d over three+ 10 = 7 (1 point) 51 20 0 –9 4. –2(m – 30) = –6m (1 point) –15 –13 –8 8 5. 3n + 2= 8 + 2n (1 point) 3 4 5 6 Simplify the expression. 6. –6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c...
*January 18, 2013 by plz help*

**graphing question**

Write the equation of the line with slope 4 and y-intercept (0, –5). Then graph the line i wrote the equation which i think is y=4x-5 i point the y intercept (0,-5) in the graph how do i find the other point would the 4x become 4/1 x y=4/1x-5 then move run and rise run of 1 ...
*April 13, 2007 by linda*

**Math ~ Check Answers ~**

A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 c.) 5 d.) 1 ***** Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3...
*February 18, 2014 by Chloé*

**Math ~ Check Answers ~**

A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect the x-axis? a.) 3 b...
*February 19, 2014 by Sabrina*

**math**

Which kind of graph will not let you calculate the range? Is it a bar graph, line graph, circle graph, or a pictograph?
*March 28, 2011 by Kevin Clary*

**Calculus**

Line l is tangent to the graph of y= x - x²/500 at point Q & it crosses the y-axis at (0, 20) a). Find the x-coordinate of point Q b. Write an equation for line l c) Suppose the graph of y=x-x^2/500, where x and y are measured in feet, represents a hill. There is a 50-foot ...
*February 15, 2014 by Rachel*

**math**

how to graph this y=6x+20 Graph the y-intercept. Show the lines that indicate the use of slope to graph two more points Draw the line representing the graph of the equation
*March 1, 2012 by help please help!!!*

**math**

graph the points in each group and connect each point with the next point using straight line segments. Do not connect the last point in one group with the first point in the next group.
*September 25, 2011 by Dylan*

**Algebra**

Write an equation for the translation so the graph has the given vertex. 1. y=-|x| vertex (-5,0) 2. y=2|x| vertex (-4,3) 3. y=-|x| vertex (p,q) I really have no idea how to even begin these, but I do know the answer to # 2 is y=2|x|+11 and #3 is y=-|x-p|+q Thanks in advance. ...
*October 5, 2006 by Josie*

**Calculus**

The point (1,-2) is on the graph of y^2-x^2+2x=5. Find the value of (dy/dx) and (d^2y/dx^2) at the point (1,-2). How do I find (d^2y/dx^2)? I found. I found (dy/dx) to be 2y(dy/dx)-2x+2=0, but I don't know how to take the derivative of that to get(d^2y/dx^2)? I'm not sure if ...
*October 18, 2011 by W*

**calculus**

optimization find the point on the graph of the function that is closest to the given point f(X)= square root of x point:(8,0)
*December 9, 2012 by Anonymous*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>