Thursday

December 18, 2014

December 18, 2014

Number of results: 9,243

**Pre-Calc/Trig...**

If f(x)=1/(x+2), what is f(3+h)? A. 1/(3+h) B. 1/(h+5) C. 1/(x+2)(3+h) D. (3+h)(x+2)
*October 3, 2014 by Anonymous*

**pre-calc/ trig**

Sinx=0
*October 15, 2013 by Amy*

**Pre-Calc/Trig...**

what is In e^4.3 equivalent to? How?
*December 10, 2014 by Anonymous*

**Pre-Calc/Trig...**

Assume f(x) = -2x + 8 and g(x) = 3x. What is the value of (f + g)(-1)?
*October 3, 2014 by Anonymous*

**Pre-Calc/Trig...**

vertex form:y-4=-(x-4)^2
*October 6, 2014 by Anonymous*

**Pre-Calc/Trig**

Help Please Find (fog)(2) and (f+g)(2) when f(x)= 1/x and g(x)=4x+9
*September 28, 2014 by Anonymous*

**Pre-Calc/Trig...**

Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
*October 15, 2014 by Anonymous*

**Pre-Calc/Trig**

How would I solve this? x^2+10x+24=0
*October 25, 2014 by BelovedAngel*

**Pre-Calc/Trig**

Have i solved this correctly? x^2+3x-28=0 (x+7)(x-4)=0 x=-7 or 4
*October 25, 2014 by BelovedAngel*

**Pre-Calc/Trig...**

Find S5 for a geometric series for which a1 = 81 and r = 1/9.
*December 3, 2014 by Anonymous*

**Pre Calc , Math**

Find the 6 Trig ratios of -7Pie/3
*January 2, 2011 by Joe Daddy*

**Pre-Calc/Trig**

Help please State the x and y-intercepts for each function. f(x)= -x^3+4x
*November 10, 2014 by Anonymous*

**Pre-Calc/Trig**

What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3
*November 14, 2014 by Anonymous*

**Pre-Calc/Trig**

is the integer n odd or even, explain
*November 24, 2014 by Anonymous*

**Pre-Calc/Trig...**

Write the equation y = bx in logarithmic form.
*December 3, 2014 by Anonymous*

**Pre-Calc/Trig...**

Use the rules of logarithms to expand [(x+3)^4(x-5)^7]
*December 5, 2014 by Anonymous*

**Pre-calc, Algebra, Trig**

(2x squared-3x +1)(4)(3x+2)cubed (3)+(3x +2)raised to the 4 (4x-3) Simplify
*January 20, 2009 by Josiah*

**Pre-Calc/Trig...**

Use the discriminant to determine the nature of the roots. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
*October 15, 2014 by Anonymous*

**Pre-Calc/Trig...**

Write the equation y = log x in exponential form.
*December 4, 2014 by Anonymous*

**Pre-calc/Trig...**

which of the following are quadratic functions? check all that apply 1. y=2x^2-3x+7 2. y=3x-4 3. y=(5x-3x^2)/4+1 4. y=x-x^3
*October 8, 2014 by Anonymous*

**Pre-Calc/Trig**

y=-x^2+5x+36 converting into intercept form is this the correct answer? y=(x+9)(x-4)
*October 27, 2014 by Anonymous*

**Trig/Pre-Calc**

Solve the polynomial equation. 15x^3-119x^2-10x+16=0
*November 13, 2014 by Anonymous*

**Pre-Calc/Trig...**

am i correct? What is the axis of symmetry for the graph of y=2x^2-4x+2? x=? the line goes through 1? x=1
*October 14, 2014 by Anonymous*

**Pre-Calc/Trig...**

Help me please. Solve the equation: (x-3)(x+2)=0 Enter the solution with the lowest value.
*October 16, 2014 by Anonymous*

**Pre-Calc/Trig**

Describe the end behavior for function by writing a limit expression. f(x)=2x^5-x+7
*November 11, 2014 by Anonymous*

**Pre-Calc/Trig**

Helpp please State the domain and range of each of the following functions: 1. f(x)=1/(x+3) 2. g(x)=√x+6 3. h(x)=x^3+2x+5
*September 28, 2014 by Anonymous*

**Pre-Calc/Trig...**

Am i correct? A vertical shift is an example of a non-rigid transformation. True
*October 14, 2014 by Anonymous*

**Pre-Calc/Trig**

I have looked this up, but still cant figure out what it is.. What is the projectile motion function?
*October 27, 2014 by Anonymous*

**Pre-Calc/Trig...**

Help me please Is the given linear expression a factor of the polynomial? Show work. f(x)=2x^3+x^2-5x+2; x+2
*October 31, 2014 by Anonymous*

**Pre-Calc/Trig**

Help me please. List all possible rational zeros for the polynomial function. p(x)=3x^3-2x^2-5x-2
*November 7, 2014 by Anonymous*

**Pre-Calc/Trig**

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x
*November 14, 2014 by Anonymous*

**Pre-Calc/Trig...**

Which of the following could be an example of a function with a domain (-oo,oo) and a range (-oo,2)? Check all that apply. A. y= -(3)^x+2 B. y= -(3)^x-2 C. y= -(0.25)^x+2 D/ y= -(0.25)^x-2
*December 9, 2014 by Anonymous*

**Trig/Pre-Calc**

Need help with current Trig problem for tomorrow: Solve the logarithmic equation algebraically. Approximate the result to three decimal places. 6log3(0.5x)=11 I know to start off the equation you divide by 6. I know the answer is 14.988. I just am puzzled on how to receive the...
*May 16, 2011 by Eric*

**Pre Calc Trig**

Verify the following: tan( a + p/2) = -cot a a= alpha and p= pie since I do not have that button.
*March 29, 2011 by Brittany*

**Pre-Calc/Trig**

Use Descartes' rule of signs to describe the roots of the polynomial function. m(x)=x^3+3x^2-18x-40
*November 7, 2014 by Anonymous*

**Pre-Calc/Trig**

Go over this with me please, I forgot how to do it. Solve the polynomial equation. 15x^3-119x^2-10x+16=0
*November 17, 2014 by Anonymous*

**Pre-Calc**

I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c) + 1 ...
*May 9, 2007 by Sarah*

**Pre-trig/Calc**

Please help me. Use Descartes' rule of signs to describe the roots for each polynomial function. 3. m(x)=x^3+3x^2-18x-40
*November 9, 2014 by Anonymous*

**Pre-Calc/Trig...**

Which of the following quadratic functions has a graph that opens downwards? check all that apply A. y=2x^2-9x+3 B. y=x^2+4x+8 C. y=-(5+2x^2) D. y=60x-15x^2
*October 9, 2014 by Anonymous*

**Pre-Calc/Trig...**

I have one way, but cant think of another? Show two ways of finding y if y = log4 64. Explain your thinking. 4^x=64 x=3
*December 4, 2014 by Anonymous*

**Pre-Calc**

Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
*October 3, 2011 by Leah*

**Pre-Calc/Trig..**

Write a function for the graph described as a transformation of y=x^2 y=x^2 experiences a vertical stretch of factor 2 and then a shift right of 3 units.
*October 7, 2014 by Anonymous*

**Pre-Calc/Trig**

Identify the extrema for the function. Classify it as a relative (local) or absolute (global) maximum or minimum value. f(x)=4x^3-12x^2+15
*November 11, 2014 by Anonymous*

**Pre-Calc/Trig...**

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=x^2+7
*October 7, 2014 by Anonymous*

**Pre-Calc/Trig...**

Explain how the graph of the given function is a transformation of the graph of y=x^2 *y=(x+5)^2
*October 7, 2014 by Anonymous*

**Pre-Calc/Trig**

How would I solve this one? I just can't get this one. 6x^2+11x-35=0
*October 25, 2014 by BelovedAngel*

**Pre-Calc/Trig...**

Help me please. Simplify 1. √-36 2. -√-625
*October 17, 2014 by Anonymous*

**Pre-Calc/Trig...**

Which of the following is the equation of a line parallel to the line y = 3x + 2, passing through the point (10,1)? 3x + y = 29 3x - y = 29 -3x - y = 29 3x + y = 29
*October 3, 2014 by Anonymous*

**Pre-Calc/Trig...**

Help me do this please. Simplify the expressions using imaginary numbers. 1. √-16 2. √-49
*October 15, 2014 by Anonymous*

**Pre-Calc/Trig...**

if h(x)=(fog)(x) and h(x)=3√x+3 find g(x) if f(x)= 3√x+2
*October 4, 2014 by Anonymous*

**Pre-Calc/Trig...**

Write a function with the following characteristics: A vertical asymptote at x=3 A horizontal asymptote at y=2 An x-intercept at x=-5
*November 12, 2014 by Anonymous*

**Pre-Calc/Trig**

Help me please, I don't understand this write using exponential notation √ 36* 3√ 64 oh and 3 is an exponent
*November 24, 2014 by Anonymous*

**Pre-Calc/Trig...**

Given a geometric sequence with a1 = 6 and r = 2/3, write an explicit formula for An, the nth term of the sequence.
*December 3, 2014 by Anonymous*

**Pre-Calc/Trig...**

The nth term of a geometric sequence is given by an = 1/4(4)^n-1. Write the first five terms of this sequence.
*December 3, 2014 by Anonymous*

**math- pre calc/trig**

Find the length of each side of a square if the diagonal is 7(square root 2)? How do I solve or set up this problem?
*September 30, 2014 by jen*

**pre calc**

express the followinf trig functions in terms of an acute angle. (a) cos 143 degrees (b) tan 192 degrees
*January 25, 2010 by kate*

**Pre-Calc/Trig...**

Am i correct? It is possible for a system of linear equations to have no solutions. True <-- False i think it's true, if the lines are parallel?
*October 3, 2014 by Anonymous*

**pre calc**

The terminal side of an angle in standard position goes through the poin (-2,5). Find the values of the 6 trig function sin cos tan csc sec cot
*April 2, 2009 by jaz*

**Pre-Calc/Trig...**

Help me please Standard form: y=x^2-2x-3 Vertex form: ??? Intercept form: ???
*October 24, 2014 by Anonymous*

**Trig/Pre-Calc**

The demand equation for a microwave oven is given by: p=500-0.5(e^0.004x) Find the demand x for a price of (a) p=$600 and (b) p=$300 Any help would be greatly appreciated.
*May 17, 2011 by Annonymous*

**Pre-Calc/Trig...**

standard form: y=x^2-4x-5 vertex form: ? intercept form: ?
*October 6, 2014 by Anonymous*

**Pre-Calc/Trig...**

Am i correct? The graph of y=3x^2-4x+2 opens downwards. FALSE The graph of y=2x^2-4x+2 has a y-intercept of (0,1). FALSE
*October 14, 2014 by Anonymous*

**Pre-Calc/Trig**

Please help-I'm stuck really bad What are the roots of the equation x^2 - 4x + 3 = 0 I think I was suppose to use b^2 - 4ac so it would be -4 - (-4)*1*3 = 12 so the roots would be 12 and -12 Thank you for any help you can provide
*September 6, 2011 by Sheila*

**Pre-Calc/Trig...**

A ball is thrown upward with an initial velocity of 4ft/sec from a height of ten feet. what is the maximum height that the ball will reach. h(t)= -16+vt+s
*October 15, 2014 by Anonymous*

**Math Pre-Calc/Trig**

If 11 square meters of tile are available to make a rectangle whose width must be 6 meters less than its length, what would be the dimensions of the rectangle?
*September 30, 2014 by Jen*

**Pre-Calc/Trig**

State the domain and range for each function. y=2x^2/(x^2-1) domain: ? range: ?
*November 12, 2014 by Anonymous*

**Pre-Calc/Calc**

Which set of parametric equations corresponds to this rectangular equation? y=2x-(x^2 / 10) A. x=4t, y=4t-(t^2 /10) B. x=2t, y=8t-(4t^2/10) C. x=2t, y=4t-(4t^2/10) D. x=.5t, y=2t-(t^2/10) E. x=t, y=t-(t^2/10)
*April 17, 2013 by Chris Math Hw Help*

**trig pre calc**

cos x (sec x +cos x csc2x)=csc2x
*May 13, 2012 by trig identities*

**Pre-Calc/Trig...**

If An is defined as a geometric sequence, is the sequence 1/an also a geometric sequence? Explain your reasoning
*December 3, 2014 by Anonymous*

**Trig/pre-calc**

r=8cos(theta)+5sin(theta), convert the polar equation into a rectangular equation and then complete the square and determine the center radius...? Help?! I missed the section, and am not getting anywhere with the text...
*August 12, 2011 by A*

**Pre Calc**

Does this: sqrt 3x-4=(x-4)^2-3 Multiply out to: x^4-16x^3+90^2-211x+173 I then need to put it in the graphing calc and see what the roots are.
*September 10, 2009 by muffy*

**Pre-Calc/Trig...**

Stuck on these two questions, help me please. The graph of y=3x^2-4x+2 opens downwards. True or False? The graph of y=2x^2-4x+2 has a y-intercept of (0,1). True or False?
*October 13, 2014 by Anonymous*

**Pre-Calc/Trig...**

is this the correct formula for me to solve this? A bacteria culture has 2,000 bacteria. The number of bacteria increases by 5% each hour. How many bacteria are there after 12 hours? 2,000*0.05^(12-1)
*December 3, 2014 by Anonymous*

**trig/pre -calc**

hello, i don't quite understand how to do this type of problem: 1. find the exact value of sin (pi/3). even more confusing is 2. find the exact value of csc^-1 (1). i would appreciate any kind of help! thank you!
*July 14, 2008 by brandy*

**Calc or Pre calc**

I am having trouble doing this problem. I know how to do indefinate integrals, but I don't know how to do definate integrals. Can you show me how to do this. Evaluate 5 (x^3-2x)dx 2
*May 14, 2008 by jennifer*

**Pre-calc/Trig**

If cot(a)=3 and sin(b)= (15/17) where a being alpha lies in quadrant 3 and b being beta lies in quadrant 2, what is the exact value of sin(2a)
*April 5, 2011 by Kibrya*

**Trig/Pre-Calc**

$2500 is invested in an account at interest rate r, compounded continuously. Find the time required for the amount to (a) double and (b) triple. r=0.085 I know you use the formula A=Pe^rt and you would start by setting it up as follows: A=(2500)e^(0.085)(t) I'm not sure where ...
*May 17, 2011 by Bradley*

**Pre-Calc/Trig...**

Helpp needed, this is sort of confusing me. Describe the nature of the roots for this equation. 2x^2-x+1=0 A. Two real, rational roots B. Two real, irrational roots C. One real, double root D. Two complex roots
*October 17, 2014 by Anonymous*

**pre calc trig check my work please**

sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im doing wrong so i can ...
*October 20, 2010 by Anna*

**Trig/Pre-Calc**

Could someone please help me on this problem. I'm really confused, and this assignment is due tomorrow. Solve the logarithmic equation algebraically. Approximate the result to three decimal places. log4x-log4(x-1)=1/2 To start off the equation, I know you would do the ...
*May 16, 2011 by Eric*

**I have a question concerning Spring Semester**

Im a freshman in college and I just took Chem1, Trig, and Drama (12units). I am planning on taking Chem2, Pre-Calc, and Art1 for spring sem. (13units). I'm not sure if this is too much to take for next semester considering two five unit classes or should I add another class? ...
*December 22, 2011 by L.Bianchessi*

**Pre-Calculus**

Can you show me how to find the rectangular equation: r=2cos(theta) + 3 sin (theta) All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
*October 3, 2011 by Leah*

**Pre-calc**

prove the identity: (cosx)(tanx + sinx cotx)=sinx+cos(squared)x i need steps to show how i got the answer generally, it is a good idea to change all trig ratios to sines and cosines, and start with the more complicated-looking side. so.... LS = cosx(sinx/cosx + sinx(cosx/sinx...
*May 6, 2007 by Stacey*

**Pre-Calc/Trig**

How?? I only know how to convert standard form functions into intercept form, but I do not understand how to do this. Convert the functions into standard form. 1.y=2(x-4)(x+3) 2.y-2=-3(x+4)^2
*October 27, 2014 by Anonymous*

**Pre Calc**

How do I do this?... Sq Rt[(9*Sq Rt(3x^2))]
*March 14, 2009 by MW*

**pre calc**

13-5e^2x=3
*October 30, 2009 by Laurie*

**Pre Calc**

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 8 1 5 2 7 6 5
*November 13, 2009 by Pre Calc*

**pre calc**

(1/x^2-49)/(1/x+7)?
*February 23, 2010 by Karissa*

**pre-calc**

(3^-2+4^-2)^-1/2
*February 16, 2011 by megan*

**pre-calc**

(3^-2+4^-2)^-1/2
*February 16, 2011 by megan*

**Pre-Calc**

2-2
*April 10, 2011 by Chelsey*

**pre calc**

g(1/2)=-(1/2)^2+7(1/2)-7
*January 25, 2012 by Dorene*

**Pre-Calc**

Consider a triangle ABC. C is a right angle, and side a is opposite angle A, side b is opposite angle B, and side c is the hypotenuse. The measure of side a= 2, side b= 7, and side c= 7.3 How do you find the angle measure of A and B based on the lengths of the sides? SinAngleB...
*September 19, 2006 by Chris*

**pre-calc**

(8y2+3y-7)(3y+4)
*October 17, 2007 by steven*

**pre-calc**

how do i solve this w(4-w^2)=8-w^3
*August 27, 2008 by jared*

**Pre Calc**

the domain of g(x)=x^3-2x-1
*October 6, 2008 by Crystal*

**pre-calc**

what does this simplify to: f(x)=x/(x+4)^(1/5)-2
*January 4, 2009 by Allie*

**pre calc**

f(x)=1/x+2 how do i solve this
*September 21, 2009 by Anonymous*

**Pre Calc**

please h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 2 5 7 6 7
*December 7, 2009 by Jo*

**Pre-Calc**

f/g=? Given that f(x)=x^2-9 x and g(x)=x + 14
*February 17, 2010 by Channing*

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