Friday

October 9, 2015
Number of results: 6,583

**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-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/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*

**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**

This is the last question on my pre-calc homework, I looked through the textbook and have no idea how to do this. Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one ...
*March 5, 2015 by Cat Jones*

**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*

**math**

Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didnt have problem understanding. I don't know what is wrong. what should I do?
*February 27, 2015 by john*

**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**

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**

(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*

**Pre Calc**

Solve for x: |4x+6|-|2x-1|<5
*September 1, 2010 by Katie S*

**Pre Calc**

Simplify: n!-(n-1)! --------- (n-1)!
*September 1, 2010 by Katie S*

**Pre Calc**

Solve for A and B if: 1 A B ----- = --- + --- k(k+1) k k+1
*September 12, 2010 by Lauren*

**pre calc**

(4^x2)^2 mulipled by 1/(4^5x)=64
*October 18, 2010 by sarah*

**pre calc**

simplify: 2^x X 2^y +2^x X 2^y + 2^x X 2^y + 2^x X 2^y
*December 21, 2010 by Bill*

**Pre Calc**

ln (x^2 +x-12)=3ln2
*March 29, 2011 by Meredith *

**pre-calc**

what are the asymtopes of 2x/x-3
*May 22, 2011 by caitlyn*

**Pre-calc**

Logx16=-2
*December 10, 2013 by Anonymous *

**pre-calc**

3-log(x+2)=5
*March 20, 2014 by Anonymous*

**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**

how do you factor 3x^-1/2 + 4x^1/2 + x^3/2?
*September 27, 2015 by Diana*

**pre calc**

solve each inequality: (x-4)(x-2)^2(x-3)^2 < 0
*January 28, 2008 by Kate*

**Pre Calc**

solve the quation. t/3+t/5=1.
*August 28, 2008 by Maggie*

**pre-calc**

how would you solve x^(5/2)(x^(1/2)- 1/x^(1/2))
*November 20, 2008 by Allie*

**pre-calc**

for f(x)=2^x is f(x) an increasing function.?
*December 10, 2008 by mariah*

**pre-calc**

for f(x)=2^x is f(x) an increasing function.?
*December 10, 2008 by mariah*

**pre calc**

how do you put these in y=mx+b form 3x+5y=8 16-5x=2y
*February 9, 2009 by kate*

**Pre Calc**

Simplify (n+1)!/(n-1)! Help please?
*March 15, 2009 by MW*

**pre calc need help**

solve. 4x+2/3 - 3/4 = 1/2
*April 29, 2009 by brown*

**pre calc**

what is the domain and range of f(x) x^3?
*May 7, 2009 by tom*

**pre calc**

f(x)= x^2+5 g(x)= square root x-1 (f/g)(x)
*May 11, 2009 by tim*

**pre calc**

Example 1: Let f(x) = ex and g(x) = x Find: (a) f(g(x)) (b) g(f(x))
*January 4, 2010 by kate*

**Algebra II/ Pre Calc**

ln(12+x)= It is not (ln 12)(ln x) or (ln12x)
*September 6, 2010 by Jessica*

**Pre-Calc**

300=5000^e*.3x
*March 27, 2011 by Linda*

**pre calc**

lnX + ln2 = 3
*March 24, 2011 by Linda*

**pre calc**

lnX + ln2 = 3
*March 24, 2011 by jenna*

**Pre calc**

.5ln(x+3) - lnx=0
*March 29, 2011 by Laura grace*

**Pre-Calc**

How would I solve: X^(4/3)+X^(2/3)=28
*June 23, 2011 by Maddy*

**Pre-Calc**

cot 19.8 degrees
*July 30, 2011 by Betsy*

**pre-calc**

How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x Ok so its (f-g)(x)=4x/7 +7 - (-6/x) But how do u simplify it from there? Thanks!
*October 5, 2011 by cade*

**Pre Calc**

sec(cos-1 (4/5))=?
*November 15, 2011 by Jacob*

**math pre calc**

solve for x. 8^6+3x=16
*March 25, 2012 by danielle*

**Pre-Calc Help!!!!!!!!**

cos(2tan^-1(15/8))
*April 19, 2012 by Amanda*

**Pre-calc**

Focus of the ellipse 9x^2+2y^2=36
*May 15, 2012 by Jack*

**pre calc**

3x + 2iy =6 + 10i
*August 30, 2012 by merril*

**Pre-calc**

Solve 3.3= 1.005^n
*August 30, 2012 by Alex*

**Pre calc**

Please finish y+7=6/7x-30/7
*January 25, 2013 by Joe*

**pre-calc/ trig**

Sinx=0
*October 15, 2013 by Amy*

**Pre-Calc**

How do I solve this equation? 4^x * (1/2)^3-2x = 8*(2^x)^2
*February 15, 2014 by Kay. *

**Pre-Calc**

Eliminate the parameter x = t^2 - 1 and y = t^2 + t
*March 2, 2014 by Jackie*

**Pre calc**

y=5tan1/2(x+pi/4) What is the period?
*March 28, 2014 by Deena*

**Pre-calc**

2x^2 - 12x - 3y^2 - 24y +60 = 0
*April 2, 2014 by Laila*

**Pre-Calc**

Help please Find f(2) and f(a+h) when f(x)=3x^2+2x+4
*September 27, 2014 by Anonymous*

**Pre-Calc**

help please For f(x)=3x+1 and g(x)=x^2-6 find (f-g)(x) A. x^2-3x-7 B. 7+3x-x^2 C. 3x^2-17 D. -x^2+3x-5
*September 29, 2014 by Anonymous*

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

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

**Pre-calc/trig**

5=log3(x^2+18)
*January 4, 2015 by Anonymous*

**Pre Calc**

simplify the expression x-4 when x is less than 4
*October 2, 2008 by Samantha*

**PRE CALC**

The x-intercept of the graph of f(x) = sqrt(x - 1) - 2 is (5, 0)
*October 5, 2008 by Karren*

**pre calc asap**

what is the domain and range of f(x) =x^2
*May 7, 2009 by peter*

**pre calc**

Find a linear factorization of: f(x) = x^3 + 5x - 6. thanks.
*June 17, 2009 by J*

**pre calc**

what quadrants does the point 2,4 and 0, 3 belong in
*September 10, 2009 by kim*

**pre calc**

what are some point for the problem y=1/2x+2
*September 15, 2009 by jasmine*

**Pre Calc**

for how many integers x is the value of -6/(x+1) an integer?
*December 17, 2009 by jake*

**Pre-calc**

How do you find the range of a projectile?
*January 4, 2010 by allison*

**Pre-calc-urgent**

How do you find a formula for f(x) and g(x) if h(x)=f[g(x)] h(x)=(2x^3-5)^4
*April 15, 2010 by Erica*

**Pre Calc**

Determine K: a:12! b:65!+64!+63!=k^2*963! -- =k 10! c:(k+5)!=(k^2+196)(k+3)!
*September 12, 2010 by Lauren*

**Pre-Calc**

Solve the equation. (tan^2)3x=3
*December 29, 2010 by Ash*

**Pre calc**

Find the domain of the function: F(x)= 2-x^2
*February 2, 2011 by Laura*

**Pre calc!**

Find the domain of the function: F(x)= 2-x^2
*February 2, 2011 by Tom B*

**Pre-Calc**

How do I solve this equation? x+5 = sqrt(x+5)
*June 1, 2011 by AvgJoe*

**Pre-Calc**

Find [4(cos115+isin115)]^6
*July 25, 2011 by Ben*

**pre calc**

phase shift of: y=-5sin(3x+3.14/5)+2
*December 19, 2011 by valeria hersh*

**Pre-calc**

simplify cot(x+π)
*May 15, 2012 by Jack*

**Pre-calc**

Project U onto V. U=(4,2) V=(1,-2) ?? Is there a formula for this?
*May 30, 2012 by Alex*

**College Pre Calc**

lim t>7 F(x) (1/t)−(1/7)/t-7
*December 5, 2012 by Ira*

**College Pre Calc**

lim t>7 F(x) (1/t)−(1/7)/t-7
*December 5, 2012 by Ira*

**math pre calc**

gaussian elimination x+Y+Z=-2 X-y+5z+22 5x+y+z=-22
*April 25, 2013 by JT*

**math pre calc**

solve for X marticies 2 0 5 4 -1 3 =2 6 x -7
*April 25, 2013 by JT*

**Pre-calc**

The plane y + 4z = 15 intersect which axes?
*May 22, 2013 by Chris*

**Help please!! For pre-calc**

Logx16=-2 how do you solve this?
*December 10, 2013 by Anonymous *

**Pre-calc**

find the domain of (x+2)/x^3-16x
*January 19, 2014 by Anonymous*

**Pre calc**

8sinxcosx=1 I don't know where to go after 2sinxcosx=1/4
*February 5, 2014 by Lily*

**Pre-Calc**

Solve for x: log base27 (2x-1) = 4/3
*March 2, 2014 by Aly*

**Pre-Calc**

why is the line <x,y,z>=<8,9,10>+t<3,4,5> perpendicular to the plane 3x=4y+5z=10
*March 4, 2014 by Danielle*

**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**

convert 5, pi/4 to rectangular coordinates
*May 26, 2015 by Anonymous*