Wednesday

October 22, 2014

October 22, 2014

Number of results: 5,777

**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*

**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-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**

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**

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**

#3.) The following states about f(x) are true:
*June 12, 2007 by Wavikz*

**pre-calc**

A={3,4,5,6,7,8,9} B={4,6,8,10} C={8,9,10,11} find the indicated set if AB and AUBUC
*November 18, 2008 by Debbie*

**pre-calc**

how would you solve 3/(x+2) - 6/3x = 6/(3x+6) algebraically and graphically?
*November 20, 2008 by Allie*

**pre calc**

Find AB using matrix multiplication A= -1 0 2 4 1 -1 2 0 1 B= 2 1 0 -1 0 2 4 -3 -1
*March 25, 2009 by chrissy*

**Pre Calc**

Determine whether the relation is a function. [(-4,6),(-1,3),(3,3),(8,-9)]
*August 25, 2009 by Hannah*

**pre calc**

list the positivve integers between -3 and 7.
*September 8, 2009 by jaz*

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