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

Calculus

What is the limit of: -x^5+2x^4-x^2+1?

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