# Pre- Calculus

21,396 results, page 46

### Pre Cal

find the domains of the following functions: a) f(x)=x^20 b) g(x)=1/(x-3) c) h(x)=1/(4x^2=21x-18) d) k(x)=sqrt (4x^2-21x-18) e) p(x)=1/sqrt(4x^2-21x-18)

### Pre-calc

I am given the graph of y=f(x) and I am asked to sketch the graph of y=-2f(-x). How do I move and/or rotate the given graph?

### Corporate Finance

1. TexMex Products is considering a new salsa whose data are shown below. The equipment that would be used would be depreciated by the straight-line method over its 3-year life, would have zero salvage value, and no new working capital would be required. Revenues and other ...

### Roots and Pre-cal

Find the roots of the function f(x)= x^2 +2x+2 a)-1 + sq root of 2 and -1 - sq root of 2 b) -1 + i and -1 - i c)-1 -2i sq root of 2 and -1-2i sq root of 2 d)-1 +2i and -1-2i The i's are in italics but I can't .make them in italic here for some reason completing the square: x^2...

### pre- algebra

Juanita lost her tennis racquet. She bought a new one for $30. This is $6 less than three times the price of her old one. How much did she pay for her old racquet?

### Pre Algebra

This is about Reasoning Strategy... It says this: 3a. What is the y-intercept of the trend line? 3c. Write an equation for the trend line in slope-intercept form. I don't really know what they mean? Please help me.

### Pre Cal

Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x. My answer: (pi/4)+2(pi)k, (7pi/4) + 2(pi)k Solve 2cos^2 x-5cosx+2=0 for principal values of x. My answer: 60 and 300 degrees

### Pre-cal

1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator. a) sec Q = 2 -pi/3 and 60 degrees Is this correct? b) sec Q = -2 This one I do not know how to find.

### pre-algebra

Sam has no more than $250 to spend on ceramic tile for his foyer. The rectangular floor in his foyer is 5ft. by 8ft. What can he spend per square foot on ceramic?

### Math Pre Algerbra

How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didn't use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17

### Math Pre Algerbra

How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didn't use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17

### pre calc

A rock is dropped form the top of a cliff. It takes 12 seconds to hit the ground. What is the height in feet of the cliff?? How fast is the rock moving when it hits the ground?

### pre-calc

a ship leaves port and sails for 2 hours north east and than 3 hours north west. If the speed remains constant, what course should the ship take home?

### pre algebra

robin is making bows to sell at her mothers yard sale she will use 3/4 foot of a ribbon and 2/3 of blue ribbon what is the ratio of the length of the blue ribbon to the red ribbon

### Pre calc aesthetic quadratic stuff

two numbbers have sum of 9 and product of 20. What singlevariable quadratic equation in form of ax^2+bx+c=0 can be used to represent the product of the two numbers

### Pre-Cal: Domain (cont.)

I figured out problems 1-7, arithmetically (thank you all for the help on that) But not number 8: f(x)=5/x , g(x)=7/(x+7) #7). Find (f/g)(x) Answer ==> [5(x+7)]/[7x] #8). Find the domain of (f/g)(x). (enter your answer using interval notation)

### Pre-Algebra

A radio signal travels at 3.00*10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54*10^7?

### Pre-algebra

Use a proportion to solve the problem. 34% of 83 x/100=34/83;40.96 x/100=34/83;2.822 x/83=34/100;28.22 x/83=34/100;56.44 I think it's either c or d because a and b arn't set up correctly according to how you're supposed to set up a porportion.

### Calculus

Integrate: x/(9+x^4)dx

### Calculus

lim--h>0 f(x+h)- f(x/h

### Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b =========

### Calculus

If a, b, and c are digits for which 7 a 2 -4 8 b =========

### Calculus

What is the derivative of e^cx ?

### Calculus

integrate: (x^2 + 1)^k dx

### Calculus

What is the derivative of t^3/3

### Calculus

The derivative of f of x f(x) = x^3 + 19 ; x = 8

### calculus

Integrate: dx/(2x^2 + 4x + 7)

### calculus

derivatives. f(x)=(1/-7x^12) f'(2)=? f'(-1)=?

### calculus

if dy/dx= (1+lnx)y and if y=1 when x=1, then y=

### calculus

how do you integrate x^2/(9+x^6)

### calculus

how do you integrate x^2/(9+x^6)

### calculus

cos(xy)+y=2

### Calculus- please help

Let f(t)=(t^2+3t+8)(2t^2+6). (a) f'(t)= (b) f'(4)=

### Calculus

Find (fg)'(1) if f(1)=1, g(1)=2,f'(1)=3, g'(1)=-3

### calculus

(f o g)(3x^2) << question ...f=4x-10 g=2x^2

### Calculus

solve:(x^4)-(4x^2)+3=0

### calculus

how to simplify: ((9^x * 3^2 * (1/3^-x)) - 27^x ) / 3^(3x) * 9

### calculus

If f(x) = x2 / (4 + x), find f ''(5).

### Calculus

If d/dx(f(3x^5))=9x^4 Find f'(x)

### calculus

what is the derivative of 1/x??

### Calculus

differentiate y = (x + 2) / (x^3 + x - 2)

### Calculus

how do I know if the series ln(n)/(2n) is DV or CV?

### calculus

how do you integrate dx/(x^2*(x^2+4)^1/2)

### calculus

what is the derivative of 4(x^2-1)^-1/2

### calculus

what is derivative of (1-2x)^-1? is it -1/(1-2x)^2 ?

### Calculus

What is the lim(x-3/x^3-27) x->3

### Calculus

f(t)=5^x sechx f'(x)=?

### calculus

solve 2^3^x = 4.2^5^x

### calculus

Differentiate y = xe^x Thank you!

### calculus

differentiate y = ln(e^x + e^-x)

### Calculus

what is the derivative of If y = x^m and y'= mx^(m-1) y" = ?

### Calculus

If xy=4 and dy/dy=3 then find dx/dt when x=4?

### Calculus

f(x)=(x+3), h(x)=(3x-5) Find g(f(x))=h

### Calculus

F(x)=5e^x - 10 / 24e^x + 12 f^(-1)(x)=? a=? b=?

### Calculus

What's the derivative of (x-1)(x-7)^3+10?

### calculus

find dy/dx of y^3-xy=-1

### calculus

find f(x) f'(x) = (x^2-1)/x^(-1)

### calculus

find y' of x^2/3=y^2/3=1

### Calculus

f(x) = 6e^(-5x) ln(x), find f'(3)?

### Calculus

Find y' and y'' y=X^3/(X^2-1)

### calculus

what is the diferential of (dy/dx)=2^x?

### calculus

differential of (dy/dx)=y/x

### calculus

integrate (2/3x^5)

### Calculus

How do I find the f'(x) of f(x)=((8x+3)/(9x-) 5)^(1/2)?

### Calculus

Let f(x)=(x+7)/(x+5). inverse f-1(-3)=...

### Calculus

Let f(x) = 3(x^6)lnx. f'(x)= ...

### Calculus

From 2 to 3, integrate ((x^3)+5)dx/x.

### Calculus

How do you factor x^3 - 64?

### Calculus

What's the derivative of x^2(1- x/6)?

### calculus

y=ax power 2+bx+c

### calculus

xy+y^2=1 find d^2/dx^2 at (0,1)

### Calculus

What's the antiderivative of x(2x-6)^(1/2)?

### Calculus

If f(x)=3e^x+6x^e find f'(x).

### Calculus

Find f '(a). f(x) = (x^2+1)/(x-6)

### calculus

Let f(x)=x+4 and g(x)=(x-2)^2. Find u(x) so that f(g(u(x)))=4x^2 - 8x +8.

### calculus

if F(x)=f(g(x)), where g(2)=4, g'(2)=3, and f'(4)=5, find F'(2)

### calculus

Determine when y'' = 0 y'' =1 / sq.rt.of (x^2 + 1)^3

### calculus

What is the domain of y= sq.rt. of (x^2 + 1)

### Calculus

If f(x)= 3 + |x-2|, then f'(2) is A. -1 B. 1 C. 2 D. 3 E. nonexistent

### Calculus

Solve for x where 12^x = (4)8^2x

### Calculus II

integral of 1/((x^2+1)^2) dx

### calculus

let f(x)=x+2/x+8. what does f^-1(-4) equal?

### calculus

let f(x)=x+2/x+8. what does f^-1(-4) equal?

### calculus

integral from 3 to 6 (x^4+4)/(x) dx=

### calculus

integral from 3 to 6 (x^4+4)/(x) dx=

### CALCULUS

Differentiate: P(t)=50(2)^(t/2)

### calculus

y= 1/4 sin x

### Calculus

How do you factor (x^2+1)^(1/2)*(x^2-1)+((x^2+1)^(3))^(1/2)*(2x^2-2)?

### calculus

2P=Pe^(0.16t)

### Calculus

lim (2e^(x-5))-2 --------------- x-4 x->5

### Calculus

f(x)= x^3; f(x)= (x+DELTAx)-f(x)/ x^3

### calculus

lim x^4-1/x-1 x->1-

### calculus

-ln(6x+1) + e^24x-1

### calculus

Compute d/dx(4x+3/2x-5)^1/2

### Calculus

Find f'(x) if f(x) = (ln(x^2+x+1)+2x+3)\ (x^2+1) .

### calculus

If f(x)=(x^2+3x+2)^3, find f'(x).

### calculus

if f(x)=(2^(1/2))(x^3-6x^(1/2)+7), find f'(9)

### calculus

2x*sqrt(3x^2+4)

### Physics

what is calculus