# How to sketch graph of

9,949 results, page 63
1. ## Trigonometry

QUESTIONS IM STUCK ON 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52° + i
2. ## math

in the backyard there are two trees located at grid points A(-2,3) and B(4,-6) a) The family dog is walking through the backyard so that it is at all times twice as far from A as it is from B. Find the equation of the locus of the dog. Draw a graph that
3. ## Calculus

The graph of the equation x2 − xy + y2 = 9 is an ellipse. Find the lines tangent to this curve at the two points where it intersects the x-axis. Show that these lines are parallel.
4. ## alg2 check?

Graph the system of inequalities then substitute the (x,y)order pair into both inequalities. y>3x+1 y<-2/3x+4 (second one has a line under the arrow) I don't get what they are asking for? if they want me to solve it how am I suppose to set it up?
5. ## math

plot graph for y = 1.55x +30 and y= 2.75x where y (£)as a function of the total number of swim x, for the option( member and non-member)what are the approx. coordinates and and what does it represent.
6. ## Calculus

Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the line y = 5.
7. ## Physics

I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints

Please help How do you graph the radical that is below negative of the sqrt(x+1) my teacher said we should set up x and y according to parent function. The endpoint of this would be (-1,0) How do I find the other points-I'm really stuck
9. ## college algebra

Just che king to see if I did this right. f(x)=(x-4)^2+6 Graph f(x) I graphed 1quadrant 4 up 6 Identify vertex (4,6) Identify intervals f(x) is increasing and decreasing D [-00,6) I (6,00] Checking to see if I figured this right. Thanks
10. ## science

1. list and describe two ways to convert mechanical energy to thermal energy 2. explain what the plateau on a typical warming or cooling graph indicates (as in, what does it mean?)
11. ## I need help - precalc

List all points on the graph of y=tanx on the interval [π/2,3π] that have a​ y-coordinate of -1/radical3 (Direction- Type ordered pair)
12. ## maths

An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle (see figure). The total distance covered in the 4 s is x[m] 4 t [sI
13. ## AP Calculus

I asked this yesterday and someone answered. but i didn't understand the explanation.. Two circles of radius 4 are tangent to the graph of y^2=4x at the point (1,2). Find equations of these two circles. I got (x-1)^2+(y-2)^2=16 and (x-4.36)^2+(y+1.36)^2=16
14. ## pre cal

Given f(x)=x^4-7x^3+18x^2-22x+12 A: list all possible rational zeros B: Graph f(x) C: Find all zeros D: show f(x) in factured form thanks I can't figure it out. Can skip B... thanks
15. ## Algebra Maths

A local company is hiring trainees with less than 1 year of experience and managers with 5 or more years of experience. Solve the inequality and graph the solutions?
16. ## Trig

Find the value of the six trigonometric functions. t = 7(pi)/4 Can you show me step by step so I can see how this is solved? Also, do I need to graph this first in order to understand or begin the problem? I am trying to self teach - but having problems.

Can you show a data with the following landmarks mode 15 minimum 5 median 10 maximum 20 use at least 10 numbers please show a bar graph with answer
18. ## pre-cal

5 t values used to graph (called key pts or inflection pts) and primary cycle? 1) y=2sin(x-pi) 2) y=-sin3x-2 3) -3cos(1/2x+pi/3)+1 4) cospi(x-1)
19. ## science

Force is exerted to move a body of mass 50kg from 2 m/s to 5m/s over a period of 10 seconds.draw a velocity time graph regarding the same and calculate the value of force.
20. ## Science

How many calories of heat are necessary to raise the temperature of 200g of ice at -30 degrees celsius to steam at 130 degrees? Show graph and work.
21. ## Calculus

The base of a solid is the region enclosed by the graph of x^2 + 4y^2 = 4 and cross-sections perpendicular to the x-axis are squares. Find the volume of this solid. a. 8/3 b. 8 pi/3 c. 16/3 d. 32/3 e. 32 pi/3 Thanks in advance! :)
22. ## 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
23. ## calculus

The velocity of a particle moving along the t-axis is given by f(t)=2+.05t cm/sec. Use a graph of y=f(t) to find the exact change in position (distance traveled) for the particle from t=2 to t=8.
24. ## algebra

solve the inequality. Express the solution using interval notation and graph the solution set on the real number line x-4/x^2-4 greater or equal to O

While on his way to school, Norman saw that the cost of gasoline was $2.50 per gallon. Write a direct variation equation to describe the cost y of x gallons of gas. Then graph. 26. ## calculus can you please explain tep by step how to solve dividing complex numbers strictly using a graph, the complex plane. I know how to do it algebraically, but not graphically. thankyou 27. ## Algebra 2 Graph the linear system and estimate the solution. Then check the solution algebraically. 7x+y=-17 3x-10y=24 I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great! 28. ## Calculus exam review, PLEASE HELP!! for each function, determine the equation of the tangent line to the graph for the indicated value of the variable. a) y = 3cosx + 4sinx + 1 , when x = pie b) y = x - 3cosx , when x = (5pie)/3 29. ## Math Hi everyone, Sorry to bother you, I was wondering, why is it that for the graph of 1/(1+e^x), 1 is the horizontal asymptote? I had thought the HA should be something that makes the reciprocal function undefined, so I kind of thought the HA should be -1. 30. ## Algebra Okay, I have a graph of a sq root function. I'm told to write the radical function for f(x). Some points on the line are (1,-2) and (5,0). I know you probably can't help me a whole lot, but if you can give me any insight into how to figure this problem 31. ## Functions Write an equation for a graph if period = 180, and amplitude = 6.. Given this information, is 6tanx not a proper answer? The back of the book says that the answer is 6sinx (2x) 32. ## calculus Find the area of the largest rectangle with one corner at the origin, the opposite corner in the first quadrant on the graph of the line f(x)=20-5x , and sides parallel to the axes. 33. ## Polar equations - Help? i need to graph the polar equation 2 = r cos (theta + 180) on one of the graphs that looks like a flattened globe. So far I have 2=r cos180 costheta + r sin180 sintheta what do i do now? 34. ## Calculus I Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the x-axis. 35. ## Math For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0 a) Direction of opening b)y-intercepts c)Axis of symmetry d) vertex e) max or min 36. ## pre calculus Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^2-12x-4x+36=0 How on earth do I do this? 37. ## PHYSICS PLS GUYSS What does the slope of a Kinetic Energy V.S Gravitational Potential Energy graph represent? I found 1 but I don't know what it represents I know that PE+KE=constant 38. ## Newsworthy advice I need to make like a newsworthy story but it has to be graphic.. like a bar graph.. it has to be on something job related on something in my Town of Kalamazoo. Does anyone have any ideas what I could research and do my bargraph on? 39. ## check math question Given y=2^x Predict the equation for the graph that has been reflected in the y-axis, given a vertical stretch by a factor of 5, translated 2 units right and 5 units down. I have: y= -5 (2) ^ (x-2) - 5 Is this correct? 40. ## Math: Calculus Estimate the area under the graph of f(x)=x^2+2x from x = 4 to x = 10 using 3 approximating rectangles and left endpoints. I got 290.25 as my answer but it's wrong. Would someone explain to me how to answer this question. 41. ## Math Solve the compound inequalities. Write the solutions in interval notation. Graph your solution on a number line. 1. 2(3x + 1)< -10 or 3(2x - 4) ¡Ý 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) + 2 > p + 8 42. ## Calculus I am so lost, I have no idea what to do next. Find the equation of the tangent line to the graph at the indicated point f(x) =x^2 +x ; a=-1 I started out using f(-1)= (-1+h)-(-1)/h but i am so lost on what to do next. I have tried to look at examples in 43. ## Maths y= ae^(bt)sin(kt) Use a sine regression to determine k, the period of oscillation of this system. State the regression equation and superimpose its graph on that of the data set. help? 44. ## science asap Air pressure decreases as altitude increases ^ which one goes on the horizontal axis and which one goes vertical axis? how did you choose this scale? (This is for a line graph) 45. ## College Algebra Write the equation of the circle in standard form. Find the center, radius, intercepts and graph the circle. x^2+y^2+14x+18y=-81 46. ## math make up a set of at least twelve numbers that have the following land marks maximum:8 range:6 mode:6 median:5 make a bar graph of the data 47. ## Algebra II Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank you We can't draw graphs for you here. The roots are x = -2.73 and -0.73 I suggest you make your own graph of y = x^2 + 2x and see where it crosses the horizontal line y = -2. Choose x 48. ## Calculus Consider the function f(x) e^x-1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in detail so I can follow for future reference. Thanks. 49. ## calculus please given f(x) = abs(sin x) and g(x) = x^2 for all real x: 1) let H(x) = g(f(x)) and write an expression for it. 2) find domain and range of H(x). 3) find an equation of the line tangent to the graph of H at the point where x = pi/4. 50. ## CALCULUS Use Newton's method to find all the roots of the equation correct to eight decimal places. Start by drawing a graph to find initial approximations. x^6 - x^5 - 6x^4 - x^2 + x + 8 = 0 51. ## Algebra For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled. I am having trouble figuring out my points to plot on the graph. 52. ## PHYSICS iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT. 53. ## physics really stuck A sprinter starts from rest and accelerates for 5s. He then travels at a constant velocity for 10s. Finally he slows down to a stop in 5s. Draw a distance time graph to represent his motion. 54. ## Excel I know how to insert error bars in the bar graph on Google spreadsheet, but for some reason I couldn't, due to the drop-drown of the series section consisting of only column 1 and not the other.How can i fix this problem? 55. ## math The distance d, in miles, a small plane is from its final destination is given by d(t)=250-100t, where t is the time, in hours, remaining for the flight. Find and discuss the meaning of the intercepts of the graph of the function. 56. ## Math-Confused :( Given the bar graph below, create a grouped frequency distribution: Hours per week: 0 1 2 3 Mike 4 5 Don 6 Daniel 7 Jake, Greg 8 Asad 9 Sandra 10 Drake 11 12 Andrea 13 57. ## algebra Create your own quadratic equation that has an axis of symmetry of x = −1 and whose graph opens down. Then find the vertex, domain, range, and x-intercepts. Show all work to receive full credit. 58. ## PHYSICS iF PROVIDED WITH THE FOLLOIWING WOODEN RAMP,A BALL,METRE STICK, APLUMBLINE AND CARBON PAPER USING LAW OF CONSERVATION H=R^2/1+(I/mr^2) CAN i FIND THE MOMENT OF inertIA BY PLOTTING A GRAPH AND DOING AN EXPOREMENT. 59. ## ITT The time spent (in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. mean of =128 Standard deviation of=23.3 60. ## POLL - everyone is welcome to answer So I am home schooled but it says to ask classmates, which I don't have so I am resorting to the internet. The question is: What do you trust and mistrust about the federal government ? I am also suppose to put the results into a bar graph. How would I set 61. ## math Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black? 62. ## Calculus Find the volume of the solid by rotating the region bounded by the given curves about the x-axis. Use the method of cylindrical shells. y=4x^2 2x+y=6 I drew the picture and the intersection points are at x=-1.5 and x=1. I'm not sure how to identify the 63. ## physics.... 1) In one scene of the movie Raiders of the Lost Ark, Indiana Jones is running along the top of a moving train. He is running at a speed of 10 km/h, relative to the train. The train is moving at a speed of 100 km/h, relative to the ground. Draw a rough 64. ## math Can someone please help me/ Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is$2 and the profit on every wrap is $3. Sal made a profit of$1,470 from lunch specials last month. The equation 2x +

Please help me with the following questions: 2. Which type of information is best represented by a chart? A. the sequence of chemical reactions in photosynthesis B. the percentage composition of gases in car exhaust C. the rate of carbon dioxide production
66. ## Algebra, Trig

Question: A wind turbine has a total height of 50m, with 3 equally spaced blades that are 16m in diameter. 1) Create equations modelling the height of points on the tips of blades One, Two and Three. Graph these three curves on one graph. [Answers: Blade
67. ## physics

Consider a wire in the shape of a semi-circle of radius R, with a total positive net charge Q distributed over the wire uniformly. Divide the wire into at least 8 equal point-like “chunks” of charge. Then, for each “chunk,” sketch (on the same
68. ## physics

Consider a wire in the shape of a semi-circle of radius R, with a total positive net charge Q vistributed over the wire uniformly. Divide the wire into at least 8 equal point-like “chunks” of charge. Then, for each “chunk,” sketch (on the same

80. ## calculus

find an expression for the function whose graph consists of the line segment from the point (2,2) to the point (-1,0) together with the top half of the circle with center the origin and radius 1
81. ## Math: PreCal

Consider the function f(x)=-5cos((2/3)x-(pi/6)) a). Is there a reflection? Does the graph start at a maximum, a minimum, or an x-intercept? For Amplitude I got 5 For Period I got 3pi And for Phase shift I got 3pi/12 or => pi/4
82. ## Calculus AB/BC

What's the purpose of finding derivatives? I don't understand why you would need to find a derivative, which is the tangent of the slope of a point on a graph, to find something like "How far did Bob fall". Confusing. Please help. Thank you!
83. ## Math

Graph the function Identify the vertex and axis of symmetry f(x)=2x^2 + 4x +1 please explain steps I need to do. I keep looking at notes and just can't grasp any of it. Failing math not sure how to start again. I think I missed something major.
84. ## college algebra

find the zero's for the following polynomial and give the multiplicity for each zero. For each zero, state whether the graph crosses the x-axis or touches the x-axis and turns around. f(x)=5(x-2)(x+4)^3 I am having trouble with this. Can you please show me
85. ## Calculus

What are the coordinates of the point on the graph of f(x)=(x+1)(x+2) at which the tangent is parallel to the line with equation 3x-y-1=0? a)(-3,2) b)(-1,0) c)(0,2) d)(1,6) To answer this, I put f(x)=(x+1)(x+2) into the form f(x)=x^2+3x+2 and found the
86. ## arithmetic

a student says that 30 more seventh graders bought canned drinks than eighth graders.Describe and correct the error made in drawing this conclusion from the graph?
87. ## solubility graph

A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?
88. ## Physics

A helicopter is lifting off from the ground and is moving vertically upward. The graph shows its vertical velocity vy versus time. How high is the helicopter after 7 s have elapsed?
89. ## Math

Apply the following transformations to this parabola. Y=2(x+3)^2-1 A) reflection in the x-axis, followed by a translation 5 units down. I got : y = -2(x+3)^2-6 But the answer is y= -2(x+3)^2-4 Why is it -4 And also. How odd you do reflections in the y axis
90. ## 9th grade math (algebra 1)

Fine the solution set of each system of linear equations or inequalities below by graphing. Show all work under the graph of each system. 1. x + y = 3 2x - 2y = 6
91. ## agebra

The graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic. Which weights are within 2 standard deviations of the mean? Check all that apply.
92. ## Statitistics, last try

The graph and table below give the monthly principal and interest payments for a mortgage from 1999 to 2004. Use this information to predict the payment for 2005. 1999
93. ## Algebra 2/Trigonometry

How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?
94. ## Math

Waddell Mountains have a species of bird that hatches two new birds each week. Currently, there are 7 birds. Write a function representing this growth? What is the domain and range of the graph?
95. ## Trig

I need help solving the two problems below. Thanks For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. Check all symmetries that apply. 1. y=-ã(4-x^(2)) 2. 34x^(2)+12y^(2)=18
96. ## Algebra II

hold the temperature constant and vary the relative humidity. Fix the temperature at 30 degrees Celcius and graph I vs R on your calculator. describe your results and the window that you used
97. ## Calculus

Estimate the area under the curve f(x)=x^2 between x=0 and x=1 using 4 rectangles of equal width if a) The height is taken from the right endpoint b) The height is taken from the midpoint. I have no idea what exactly this question is asking me to do is
98. ## Math

the probabilities that a customer will rent 0 1 2 3 and 4 DVDs on a single visit to the rental store are 0.15, 0.25, 0.3, 0.25 and 0.05, respectively. construct a probability distribution for the data and draw a graph for the distribution
99. ## Statistics

The graph and table below give the monthly principal and interest payments for a mortgage from 1999 to 2004. Use this information to predict the payment for 2005. 1999
100. ## English

Ms. sue I am writing a paper on cost of food today. Where can I find graph or table showing the increase in price for food and gasoline. Please help. Rose