Thursday

February 26, 2015

February 26, 2015

Number of results: 48,769

**Pre-Calculus/Calculus**

I am too embarassed to ask this Calculus (really pre-calculus) question in tutoring, because I know I should know. Is the inverse of f(x)=3x-1 actually f(x)=1/3x+1? How do I find it? What if it asks the same equation replaced with f to the -1 power (x)? I think I know how the ...
*July 1, 2008 by Molly*

**Pre Calculus**

Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)
*November 15, 2009 by Pre Calculus*

**Pre-Calculus**

I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!
*October 7, 2008 by Jill*

**pre-algebra**

kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me??
*August 25, 2008 by damainmind*

**pre calc**

A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?
*September 25, 2011 by Katie*

**pre- algebra(MATH)**

I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?
*November 5, 2009 by Ketrice*

**Pre-Algebra**

How do you solve this Pre-Algebra problem: $1.25x + $2.25y = $916 x + y = 560
*February 1, 2014 by 8th Grade*

**pre-Algebra**

Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?
*February 19, 2010 by Emily*

**Algebra**

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...
*January 11, 2010 by Anita*

**what does pre-algebra mean??**

i have to draw things that have to do with pre algebra but...i dont understand the meaning of it
*August 25, 2008 by damainmind*

**Pre-Calculus**

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)
*September 17, 2011 by Cristina*

**Pre-Calculus**

I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the help =)
*September 17, 2011 by Cristina*

**pre-ap pre calculus **

To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3| Give several possibilities for the original equation. How do I do it and what's the answer? Thanks
*September 8, 2009 by Anonymous*

**pre calculus algebra **

one number is three less than six times second number. their sum is 32. find the two numbers
*September 3, 2014 by Anonymous*

**math**

8. In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra, and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. ...
*November 30, 2009 by poo*

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
*March 10, 2011 by Amber shall*

**Pre Calculus 12**

Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff. Combining Transformations 2y = f(5x-10)+8 The original points are (4,6) and the new points I got by translating it and stuff are : (14/5,20) But in ...
*January 22, 2013 by Shreya*

**pre-algebra**

write an inequality for the sentence. The total t is greater than five. Well your answer is going to be T and the sign for greater than is simply >. So the answer would be T > 5 ok again my name is above. i was just wondering what pre-algebra was? i mean i take the ...
*March 9, 2007 by Joe*

**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-Algebra: Help**

I have to do a webquest for pre-algebra and we have to make up a fundraiser thing, I need a list of things that one needs for a charity fundraiser, such as chairs, buffet tables, tables, tents, tablecloths. HELPP
*March 3, 2011 by Cheryl*

**SHAY**

THE MATH QUESTION IS IT ALGEBRA , PRE ALGEBRA' OR GEOMETRY? Quadriatic functions. so algebra i think.
*January 17, 2007 by ROSA*

**pre-calculus**

3(4^x)-2^(x+2) = -1
*May 14, 2008 by Mike*

**pre calculus**

27^8x-3=(1/81)^8x-4 x=?
*December 5, 2008 by Anonymous*

**pre calculus**

2n^1/3(n^2/3+n^-1/3)
*November 23, 2010 by sam*

**pre-calculus**

what is the F-^1 of 6/x+4
*May 22, 2011 by kelly*

**pre calculus**

(m+3)+5
*July 9, 2011 by Anonymous*

**pre calculus**

-2< x < 5 - -
*August 8, 2011 by Carus II*

**Pre-calculus**

2^(x)/(1-2^(x))=3
*December 12, 2011 by Ivan*

**pre-calculus**

(2^(4+pi))/ 2^(1+pi)
*January 29, 2013 by yukia*

**pre-calculus**

x^3e^x - 4e^x =0
*February 5, 2013 by suie*

**Pre-Calculus **

3x^2 + 8 = -4
*September 11, 2013 by Janae*

**pre calculus**

x^2-3/4x+1/8=0
*December 10, 2013 by Rose*

**pre calculus**

x^2-3x-7=0
*December 10, 2013 by Rose*

**pre calculus**

2k^2+5k-9=0
*December 10, 2013 by Rose*

**pre calculus**

2k^2+5k-9
*December 10, 2013 by Rose*

**Pre Calculus**

Formula: a = b = c
*December 7, 2006 by Clarice*

**Pre Calculus**

Formula: a = b = c
*December 7, 2006 by Clarice*

**Pre calculus**

gfk
*November 5, 2007 by Anonymous*

**Pre-Calculus**

How do I find xy^-2(xy^2 - 4y^4) ??
*January 5, 2010 by Taryn*

**Pre-Calculus**

How do you factor x^3 - 64?
*February 7, 2010 by Daisy*

**pre- calculus**

simplify 3x+2y/3y
*August 12, 2010 by Tara*

**pre calculus**

if y = bX, then its inverse is
*December 17, 2010 by john*

**pre calculus**

let f(x)= -x^2 - 1. evaluate f(x)at x=6, -6
*February 18, 2011 by henry baliz*

**pre calculus**

what is the vertices of 7x^2+5y^2=35
*March 7, 2011 by akim*

**pre calculus**

what is the vertices of (x+1)^2/4+(y+2)^2/25=1 ?
*March 7, 2011 by akim*

**Pre Calculus 1**

ln(3x-1) - ln(x+2) = 2ln5
*March 29, 2011 by Laura Grace*

**Pre Calculus 1**

lnx + ln(x+3) = 2
*March 29, 2011 by Laura Grace*

**pre-calculus**

What is the domain of (x+2)/(x-2)?
*February 15, 2012 by Tiffany*

**PRE CALCULUS HELP PLEASE**

((ln(x))^1/2)/(ln(x^1/2))=6
*March 3, 2013 by jim*

**pre calculus**

2x^2+11x-21=0
*December 10, 2013 by Rose*

**Pre-Calculus - Reiny**

Reiny you helped me with this logarithm yesterday: How did you write it out as log2 ( √A / B^3 ) Laws of logarithms combine, write as a single logarithm Need help on this question please, Im stuck, dont know where to go abouts from here: I did it on paint and uploaded it...
*October 17, 2012 by Shreya*

**Pre-Calculus**

How do I find f(g(x)) when there is a radical?
*October 1, 2007 by Courtney*

**pre calculus**

x^2+y ^2+ 4x + 6y - 12 = 0 how do i find the domain?
*March 26, 2010 by mmm*

**pre calculus**

simplify sin(2 pi/3+x)
*November 18, 2010 by Eli*

**Pre-Calculus**

2secx= 3cscx
*March 31, 2011 by Erika*

**Pre-calculus**

x-2/x2-1 This equation is a function or not?
*June 27, 2011 by Keila*

**Pre Calculus**

FACTOR COMPLETELY 1) x^8-y^8
*September 13, 2011 by Libby*

**pre-calculus**

tan(1/2)cos^-1(9/10)
*April 22, 2012 by Kim*

**Pre-Calculus**

is f(x)=9x^(5/3) a power function?
*July 25, 2012 by Assad*

**pre calculus**

are you an online tutor
*September 16, 2012 by reese*

**Pre-Calculus**

Is the period of f(x) = 2cos(3x - ) 2/3?
*November 24, 2012 by Peter*

**Pre-calculus**

1) What is the equivalent of this? -5x(2x+7y)+7xy-4x(y+3)
*March 23, 2013 by Isis*

**Pre-Calculus**

How to find domain of: y = -3 + x+6
*September 3, 2013 by Dara*

**Pre-Calculus**

y= ((2-3x^(1/x))/(2+3x^(1/x)) Is the horizontal asymptote y= 1 or y= -1?
*December 18, 2013 by Ann*

**Math (pre calculus)**

ax+b/cx+d=2 solve for x
*February 20, 2014 by Danielle*

**Pre-Calculus/Trigonometry**

for f(x)= 1/(x^2-3), find: a. f(3) b.f(2+h)
*September 30, 2014 by Anonymous*

**Pre-Calculus/Trigonometry**

For f(x)= 1/(x-5) and g(x)= x^2+2, find: a. (f o g)(x) b. (g o f)(6)
*September 30, 2014 by Anonymous*

**pre-calculus**

6cos^2(x)-5cos(x)-6
*December 4, 2014 by Ashleigh*

**college pre-calculus**

if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?
*January 11, 2015 by Derek*

**Pre-Calculus**

find the inverse of g(x)=(x+7)^3+4
*February 3, 2015 by Drue*

**pre- calculus**

how do you find the root(s) of the equation x^2+3x-4=0
*October 13, 2007 by Anonymous*

**Pre-calculus**

Describe the end behavior of f(x)=2x^4-5x+1.
*August 23, 2008 by Lucy*

**Pre Calculus**

log(log10^10,000)
*July 25, 2009 by Shellie*

**pre-calculus**

Solve this Function: (3x-7)^2 (x^2-9x+18) ---------------------- x (x^2-12x+40) (x^16)
*April 26, 2010 by Treema*

**pre calculus**

How do you simplify cos ((pi)/2) - feta?
*May 10, 2010 by gisele*

**pre calculus**

f(x)= a+tan(bx) fina a and b f(0)= 5 f(pi/8)=1/sq root of 3 +5
*November 14, 2010 by Caitlyn*

**Pre-Calculus**

For what values of x is it true that |sin(x)-x| < 0.01?
*January 17, 2011 by Sara*

**pre calculus**

cube roots of 64i?
*May 20, 2011 by joe*

**Pre Calculus**

Logarithms Solve the equation for x 1-ln(3x+2)=0
*October 21, 2011 by Josh*

**PRE CALCULUS**

8-12SIN^2X=4COS^2X SOLVE FOR X
*December 12, 2011 by NN*

**pre-calculus**

use gauss-jordan x+2y=5 2x+y=-2
*March 28, 2012 by Anonymous*

**Pre-Calculus**

Find the inverse of matrix A. .6 -2 A= 6 -18
*May 24, 2012 by Sangita*

**pre calculus**

How do you solve c + 70 + 12c = 196 - 5c
*September 19, 2012 by elise*

**Pre-Calculus**

Is the difference of quotient of f(x) = -3x -x equal to -3h - 6x - 1?
*September 22, 2012 by Peter*

**pre-calculus**

solve the equation (5/2)^2=(125/8) x=
*October 6, 2012 by ladybug*

**pre-calculus**

solve the equation 5^5x+1=125
*October 6, 2012 by ladybug*

**pre-calculus**

find the functions f and g so that Fog = H. H(x)=/2x+1\
*October 9, 2012 by ladybug*

**Pre calculus **

Tanx + sinxsecx/ cscxtanx
*February 10, 2013 by Kristen *

**Pre-Calculus**

Find the value of the parameter: x = 3t y = t^2 + 5 t = 2
*October 20, 2013 by Joy*

**Pre-Calculus**

Solve sin (pi/4(x-6))=0.5, 0<x<360
*January 11, 2014 by Hanu*

**Pre-Calculus**

Write Parametric equations of -3x+1/2y=2
*February 28, 2014 by Alexis*

**Pre-Calculus**

Find N if log base 6 (6^7.8)=N
*March 2, 2014 by Aly*

**pre calculus**

solve nonlinear inequality x^4 > x^2
*March 3, 2014 by Danielle*

**Pre-Calculus**

Write Parametric equations of -3x+1/2y=2
*March 3, 2014 by Alexis*

**Pre Calculus**

e^-x sqrt(3e^2x -5/4) = e^x No idea how to approach this.
*October 1, 2014 by Anonymous*

**Pre-Calculus**

Identify the slope of the asymptotes of 5(y -1)2 - 20(x - 1)2 =64. A) 2 and -2 B) 64 and -64 C) 5 and -5 D) 0.25 and -0.25
*November 12, 2014 by TeeKay*

**Pre-Calculus**

If r = 1, will a sequence be convergent or divergent?
*February 15, 2015 by Lucina*

**Pre-Calculus/Trivia**

csc(theta)= 1/x sec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in regards to calculus? Can't seem to find the answer anywhere :/
*February 20, 2012 by Maria*

**pre calculus**

how do you tell if a function is even or odd?
*September 25, 2007 by Mike*

**Pre-Calculus**

how do u state the period of a function? for ex. f(x)=sin((1/2)x)
*April 6, 2008 by Daisy*

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