# Pre- Calculus

21,396 results, page 54

### calculus

integration of x^2/(x+3)sq.root of 3x+4 w.r.t. x

### calculus

find the derivative y=ln(1-6x)

### Calculus

How do I find the derivative of y=(8x^4-5x^2+1)^4

### Calculus

If f(x)=x^2+1 and g(x)=2x-1, find d/dx[f'(g(x))] at x=1 A. 2 B. 6 C. 4 D. 0 E. None of these

### Calculus

Differentiate. cos^-1 2x

### Calculus

lim (e^x+3x)^1/x as x approaches 0

### Calculus

What is the derivative of f(x)=(10-3x)/2• sqrt of (5-x)?

### calculus

If f(x) = 7x^6cos^-1x, find f '(x).

### Calculus II (Math)

integral of 5e^(-0.7x)

### Calculus

differentiate tan-1(2x/1-x^2)

### calculus

lim x->0 (Sin^3 3x - 3x^3)/(x^3) (x^4)

### Calculus - Differentiation

Differentiate: y = 3/(1-6x^4)

### Calculus 2

integral of e^x(sqrt(1+e^(2x)))dx

### Calculus

Integral sqrt(x-1/x^5)

### Calculus

The volume of a solid

### calculus

integral sec^-1 x dx

### Calculus

Differentiate the function. y = e^(x+2)+8 y'=?

### Calculus 1

If f(x)=3 sin x+ln(5x), find f '(x).

### integral calculus

(x^4+6x^3-x^2+2)dx need help

### Calculus

Th integral of tan(3x)dx

### Calculus

Integral of [1/(sqrt(8+2x-x^2))] dx

### calculus

If f(x)=the integral of (3x^2+2x+4) dx, find C if f(1)=10.

### Calculus

What is the derivative of tan(1-x)^(1/2)?

### Calculus

Given h(x)=(6x^2+x)/x , find h'(0)

### Calculus

A(x) = x^2 + 128/x find A'(x) and A"(x)

### Calculus Partial Fraction

(x^2)/(x^3)(x-2)

### calculus

If dy=(2x+1)dx and y=7 when x=1, find the value of y when x=3.

### Calculus

Differentiate this y = 1 - cos^2 x

### Calculus

Differentiate this y = 1 - cos^2 x

### Calculus 1

Find f o g o h. f(x) = x + 9, g(x) = 3x, h(x) = x − 5

### Calculus

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC

### Calculus

Differentiate. g(x) = 5e^x√x

### calculus

why is sec(pi)x = (1/pi)secx

### calculus

Evaluate ¡Ò(9tanxcosx+5)dx

### Calculus

Integrate e^(-t/r) WITH RESPECT TO dt?

### calculus

what are the inflection points of 5x^2-45/x^2-25

### Calculus

Find the derivative of y=(2*x^(3/2))/(x^2+5)

### calculus

Find the derivative of y=(7x^(1/3))/(x^2+9)

### calculus

Anti-Derivatives 2x^6-x^3/x^2

### Calculus

Find the integral of 2/((2-x)(x+2)^2)dx.

### Calculus help plz

Integrate:(K+1/k^2+4k+8)dx

### Calculus

If f(x)=x^4, compute f(-2) and f'(-2) f(-2)=___ <--- ?

### Calculus

Let f(x) be defined by f(x) = x/(x - 4). What is the image of f?

### Calculus

how to make (x-3)^(2n)/4^(n) converge

### calculus

Find f'x given f(x)= 1/(1+(1/(1+(1/x))))

### calculus

find the derivative of d^2x/dt^2 if x^3=at^2 thanks

### integral calculus

help me integrate dx/(3x^3-5)^3 thanks

### Calculus

Inflection point of 3y=x^3+3x^2-9x+3

### Calculus

lim x--> 2+ (tan(pi/x))

### Calculus

F(x)=2x^2-log(x+5)/√16+x

### Calculus AB

If csc x = -2.5, what is the value of x?

### Calculus AB

Solve graphically (x-2)^3(x+4)(3-x)^2(x+1)^4 <0

### Calculus

Find dy/dx. e^(xy)=sin(x)

### calculus

Find the product [ 3 8 ] [ 4 5 ] 6 3 4 4

### Calculus

Find the zero(es) of f(x) = (e^(7-2x)) - 1

### Calculus

e^(1+2lnx) ----------- x^2 simplify

### Calculus

(kx^2)+m, x<-2 g(x)=e^(ln(2x+3))-2<x<3 kx-m, x>3 Find values of k and m

### Calculus integrals

(e^(3x)-2e^(2x)+(5e^x))/(e^x+1) how do I do this what is the techniques??

### Calculus

What is the unit vector of v: <-6, -8>?

### Calculus

If f(x) = 2xsqrt(x-6), what is the value of (f^-1)(40)?

### calculus

y'? 1.y=arctan(a+x/1-ax); a is constant 2.y=e^x-e^-x/e^x+e^-x

### Calculus

What is the absolute value of: 3 - 8i? A. 9 B. 64 C. √55 D. √73

### Calculus

Suppose that f(x+h)-f(x) =-4 h x^2 - 1 h x + 4 h^2 x + 3 h^2 -3 h^3. Find: f^1(x)

### Calculus

Evaluate ∫tan(3x)dx

### Calculus

Sinx=e^y , 0 <x <pi, what is dy/dx in terms of x?

### Calculus

If f(x)=(x^2+1)^(2-3x), then f'(1) = -3/2ln(2)-1/2 Is this correct?

### Calculus

Find f'(1) if f(x)=(h(x))^3 Chart: x= -3,-2,-1,0,1,2,3 g(x)= 0,1,3,2,0,-2,-3 h(x)= 1,2,0,3,-1,-2,0 g'(x)= 1,2,-1,-2,-2,-1,0 h'(x)= 0,-3,-2,3,-2,0,1

### Calculus

How do you fine the derivative of (x-3)^-3

### calculus

limx-->3 sin 3x/4x

### Calculus

Integrate x^2/(sqrt(x^2-25)dx

### Calculus

Integrate sqrt(16+x^2) dx

### Calculus

What is y=-2/7x-1 in standard form?

### Calculus

What is the function y (x) if it statisfies Y"=6 y'(1)=4 and y (1)=6

### calculus

Evaluate the integral. from 1 to 5 (ln(x))^2/x^3 dx.

### Calculus

Find f if f''(x)=2+cos(x) f(0)=5 f(pi/2)=−3

### Calculus

Find the derivative f'(x)= : f(x)=∫[2,x] ((1/2)t^2-1)^8 dt

### Math - Calculus

g(x)=∫[6x,3x] (u+2)/u-5) du Find g'(x)

### Calculus

What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ?

### Calculus

What how do you compute the sum of 1/2 + 1/4 + 1/8 + 1/16 + 1/32 +++ 1/2N ? ..

### calculus

Differentiate the function. f(x) = e^7

### calculus

Differentiate the function.((x^2)-((3x^2)(ln(4x))))/(x^6)

### Pre-Calculus

How can this identity be proved/verified? cscx-sinx=1/(secxtanx) I have tried starting on both sides of the equation to get to the other. By starting on one side of the equation and manipulating it to make it look like the other side, the identity will be proved. However, this...

### Pre-Algebra

Can I have someone check this please? I wouldn't want to do the whole page, then find out I had done them all wrong. :( [Percents of Change] A $100 digital watch is now $72 Decrease, 72/100 = negative percent. 100/72.00 = .72 .72 - 1 = 30%? Thanks. 30% is my final answer, ...

### pre-calc

A statement Sn about the positive integers is given. Write statements Sk and Sk+1, simplifying Sk+1 completely. Show your work. Sn: 1 ∙ 2 + 2 ∙ 3 + 3 ∙ 4 + . . . + n(n + 1) = [n(n + 1)(n + 2)]/3 Sk: 1 ∙ 2 + 2 ∙ 3 + 3 ∙ 4 + . . . + k(k + 1...

### Pre-Algebra[URGENT]

Need help on solving this one as well- A local telephone company charges $9.75 per month for basic service and $0.20 for each call made. You are allowed to spend more than $17.00 but less than $21.50 a month. What are the most calls you can make and remain within your budget? ...

### Pre Calc

Write a quartic function that has roots that are 3+5i, -4 and 7 and f(-3)=53. I have tried it a bunch of times and can't seem to get it. (x-3+5i)(x-3-5i)(x+4)(x-7) I multiplied them together x^4-9x^3+24x^2+66x-952 I was a little unsure what f(-3)=53 means. I thought I should ...

### Math - Pre-Algebra

44) A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is estimated to be $300. If a 98 percent confidence interval is used and an interval of ±$75 is desired, how many cardholders should be ...

### Pre-algebra

ughhhhhh! PA is so hard! my teacher is constantly comparing us to the regular math saying that if we can't figure it out then we should ask them. What does that even mean? we are more advanced! anyway... this website helps so much. Im definitely going to be posting about ...

### calculus

find the circular cylinder of greatest volume that can be inscribed in a right circular cone with altitude 20 cm and diameter of base 10 cm. please answer in detail ..... so at a height h, the radius is 5(1-h/20) check that. VolumeCone= PIr^2 H = PI h * 25(1-h/20)^2 find dV/dh...

### Pre-calc

A cardboard box with an open top and a square bottom is to have a volume of 45 ft3 . Use a table utility to determine the dimensions of the box to the nearest 0.1 foot that will minimize the amount of cardboard used to construct the box.

### 7th grade accelerated math / pre algebra

write two equivalent expressions for the area of the figure the figure is a triangle inside the triangle it says x + 4 and the #16 is written along the length of one side of the triangle. The answer is 8(x +4) and 8x + 32 but I don't know how they got it

### Pre-Cal: Limacons

Write the equations for two limacons (and if possible graph), (one sine and one cosine) with the same a and b values. (A does not have to equal b). You may choose to use cardioids or inner loop, dimpled, or convex limacons.

### Pre-Algebra

in- 0 1 2 3 4 X out- 1 4 10 0's output is 1 and 1's output is 4, then 3's output is 10....wat is the rule to this??? and wat are the outputs for 2, and 4?

### Pre-Algebra

in- 0 1 2 3 4 X out- 1 4 10 0's output is 1 and 1's output is 4, then 3's output is 10....wat is the rule to this??? and wat are the outputs for 2, and 4?

### Pre-Calc

Show that cos(pi - θ) = -cos θ for every angle θ

### Pre algebra

the temperature in canada is -8 degrees. the temperature drops 5 degrees. what is the current temperature?

### Calculus

I know I posted this problem earlier but I don't think it will be seen anymore since it's almost at the end of the page: Find the total mass of the triangular region with coordinates (-1,0),(0,4),and (1,0). All lengths are in centimeters, and the density of the region is (x)=5...

### Pre Cal.

So I posted these...but no one answered them. Are they right? 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

Hi, can someone please solve this step-by-step for me? I really don't get it... Directions: Use the quadratic formula to solve the equation in the interval [0,2PI). Then use a graphing utility to approximate the angle x. 4cos^2x-4cosx-1=0 thanks.