# Pre- Calculus

21,321 results, page 77

### Calculus

If f(x) = 2 √x, use the definition of derivative to find f′( x )

### Calculus

Find dy / dx by implicit differentiation. 2sin(9x)cos(3y)=3 dy/dx=_____

### Calculus

evaluate the lim as x heads towards infinity of (sinhx)/ (e^x)

### Calculus

Do points of inflection have to be defined in the original function?

### AP calculus

Find (dy/dx) for the following implicitly defined function: 2x = 3siny - 2y

### calculus

What is the formula for figuring out the Tangent of a "S" Curve?? R=3000?

### calculus

find the value of the derivative (if it exist) at the indicated extrema. 1. f(x)=x^2/(x^2+4) at (0,0) 2. f(x)=(x+2)^(2/3) at (-2,0)

### Calculus

How would you find the derivative of this implicit function? 1+x=sin(xy^2)

### calculus

Assume that f is an integrable function satisfying the following for all b > 0

### calculus

use epsilon delta to prove the following lim x^2-9/x+3 =-6 x->-3

### Calculus

find dy/dx and d^2y/dx^2 of 3x(y^2) -2y=2 please give the answer not an example that dosent help me

### AP Calculus

Use differentials (or a linear approximation) to estimate (2.001)^5

### calculus

find the centroid of the region bounded by x^2-12x and the x-axis

### calculus

if the area of a triangle with the base 2F and height F-2 is equal to F, compute F.

### calculus

At what values of x does the function f(x)= x(x-4)^4 have a horizontal tangent line?

### calculus

if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

### calculus

if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

### Calculus

which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2: a) y - 6 = 4(x-2) b) y - 6 = 5(x-2) c) y - 6 = 6(x-2) d) y - 6 = 11(x-2) e) y - 6 = 12(x-2) thanks!

### calculus

which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2: a) y - 6 = 4(x-2) b) y - 6 = 5(x-2) c) y - 6 = 6(x-2) d) y - 6 = 11(x-2) e) y - 6 = 12(x-2) thanks!

### Calculus

Why is the linearization of any natural log function always going to be x?

### Calculus

What's the practical domain and range of this volume function: 4x^3-39x^2+93.5x

### calculus

what is the equation of the tangent line to the curve x^3 + 2y^2 + 3xy = 6 at the point (1,1)?

### calculus

Use implicit differentiation to find dy/dx: a) xrooty-ye^x=1 b) sinxy + ln y=x

### Calculus 1

Given y = x^4 − 4x^2 + 50. Find any extrema and any points of inflection

### calculus

Find the equation of the line l, given that f(x)=10^x and the point A is at x=logbase10(4).

### calculus

How do I find the area bounded by the curve y = x^1/2 + 2, the x-axis, and the lines x = 1 and x = 4

### calculus

What is the average rate of change of y=4x^3 over the interval P(1, 4) and Q(5, 500)?

### Calculus

Are the following differential equations separable or not? * y'= ye^(x+y) * y'= ye^(xy) * y'= y(xcos(y)) I am no good at these :[

### calculus

If f and g are continuous functions with f(-1) = 5 and the following limit, find g(-1). lim_(x->-1)[5 f(x) - g(x)] = 18

### Calculus

Let If f(x) is a function which is continuous everywhere, then we must have m=________________

### Calculus

Find the equation of the line tangent to the graph of f at (1,1) where f is given by f(x)=2x^3-2x^2+1

### business calculus

For the function f(x) = 18/(3x-14) determine the x-coordinate of any vertical asymptote

### calculus

Let f(x)= Ax^2 + Bx + C. If f(x) passes through the point (-1,1) and has a relative minimum at (1,-13), find A, B, and C.

### Ap Calculus

Find the equation of the tangent line to the graph of f(x)=cos3xlnx^4 at (1,0)

### Calculus

Find the derivative of the function f by using the rules of differentiation. f(x) = (10 x^3 + 3 x^2 + 5 x - 7)/x

### Calculus

On what intervals is the function f(x)=x^7−7x^6 both decreasing and concave up?

### Calculus

Find the equation of the plane through (1,2,-2) that contains the line x = 2t, y = 3 - t, z = 1 +3t

### calculus

equation of the tangent line to the curve y = 2x²-x+10 at the point (-1,13)

### Calculus

Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)

### calculus

find the general solution to the differential equation. dy/dx=secxtanx-e^x

### Calculus AB

Verify if the given equations are solutions to the differential equation. dy/dt=k(y-a) i) y=1-ae^(kt) ii) y=a+Ce^(kt)

### calculus

Determine the values of a and b for the function f (x) = ax^3 + bx^2 + 3x - 2 given that f (2) = 10 and f ′(-1) = 14. Please help, Thanks!

### Calculus

f(x) = (5e^x-6)/(17e^x+13) find f^-1(x). since the domain of f^-1(x) is in the open interval (a, b) what is a and and b?

### Calculus

Can two level curves of a function intersect; explain?

### Calculus

i need help finding area under curve of:2y=sqrt(3x),y=4, and 2y+1x=4

### Calculus

how do I solve for t when i am given: 5000 = 45t^2 + 240t + 450

### calculus

Find the area of the region bounded by the graphs f(x)=sqrt(3x)+1, g(x)=x+1

### Calculus

-e^[(-(x-a)^2)/b] b>0; local max at x=7 and points of inflection are x=5 and x=9. Find the formula... y=

### calculus

solve the differential equation by seperation of variables 3. dy/dx=e^(2x)/4y3

### calculus

y'=xy/2ln y how do you solve the differential equation by seperation of variables

### calculus

solve the initial value problem by separation of variables dy/dx=y^(2)+1, y(1)=0

### calculus

solve the initial value problem by separation of variables 8. dy/dx=x+1/xy, x>0, y(1)=-4

### calculus

solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

### calculus

solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25

### calculus

find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7

### calculus

locate all critical points sqrt(-58-4x^2+32x) thanks for any help!

### calculus

find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7

### calculus

solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25

### calculus

solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

### calculus

how do you solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4

### calculus

sketch graph of a function f that is differentiable and that satisfies the following

### Calculus

find the volume OUTSIDE the cylinder x^2+y^2=9 and INSIDE the sphere x^2+y^2+z^2=25

### calculus

Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

### calculus

Express as a single logarithm ln(a)+1/2ln(b) 2ln4-ln2

### calculus

use substitution to find the indefinite integral (x^3+3x)(x^4+6x^2+8)^9dx

### Calculus

Find an equation of the tangent line to the curve f(x)=-1/x+2 at the points (2, -1/4).

### Calculus

Find the limit. lim x-->1 (x^3)-1/((5x^2)+2x-7) Please show steps.

### calculus

Please help. What is the area of the region which is bounded by the x-axis and by the graph of y=(20(7-x)(x-3))/x^2. Thank you for any help.

### calculus

The point of inflection for graph x^3/3-x^2-3x+7 I cannot seem to find it as stated.

### Calculus 2

Use the Midpoint Rule to approximate the integral (–10x+(7(x^2))) from 10 to 17 with n=3

### calculus

find the most general antiderivative of the function f(t)=8t-3sec^2t

### CALCULUS

USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx

### Calculus

Given m(x)=7/5x2+9-2 what is the domain of m in set notation form?

### Calculus

Find the equation of a circle with center C(1,6) and tangent line x-y-1=0.

### calculus

Find dy/dx and d^2y/dx^2 and then determine for which t values the curve is concave up: x=t^3 - 18t y=t^2 - 1

### vector calculus

Let C be the portion of the curve y =8ãx between (1,8) and (25, 40). FindçC 2yds.

### calculus

I'm not sure where to start on these two problems, so any help is greatly appreciated. 1)4^x = x^2 2)5-x^2 = e^x

### Calculus

int x^9*(sin(x^5)) Can someone please explain me how to do this integral?

### Calculus

int x^9*(sin(x^5)) Can someone please explain me how to do this integral?

### calculus

given: f(x)=x^4-3x^3+2x^2-7x-11 find all roots to the nearest 0.001

### calculus

How to create a function with a Doamin [-3,8] Range [-2,4] Increase (-3,1) (5,8) Decrease (1,5)

### calculus

How do you determine the limit without substitution. ie. lim x--> -2 sqr(x-2)

### calculus

For what values of a and b that make the function f continuous everywhere. f(x)={(x^2-4)/(x-2) if x<2 ax^2-bx-18 if 2<x<3 10x-a+b if x>3

### Calculus

How many terms are required in the series (-6) + (-12) + (-24)... to add to a sum of -378? How do I do this?

### calculus

Sin2pieover13plus cos squared pie over 13 equals.

### calculus

Sin2pieover13plus cos squared pie over 13 equals.

### calculus

find limit as x aproches 0 in the equation (5sin(x))/(x^2-13x)

### Calculus

Take the derivative of the following functions. You do NOT need to simplify. h(x)=(6x^3+2x)/(x^2-3x+5)= F(x)=(5x^2+1)(3x-2) =

### calculus - limits

Does the limit lim 2011t/3-(squareroot)t+9 exist ? t-0

### calculus

For what values of x does the graph of f(x)=x+2sinx have a horizontal tangent?

### Calculus

If the slope is 3, find an equation of the tangent line to the curve at P(8, -3).

### calculus

find the derivative of y=cos pix/sinpix+cospix

### calculus

find the partial derivatives du/dx, du/dy and du/dt. u= root (r^2+s^2, r = y + x cos(t), s = x + y sin(t);when x = 0, y = 2, t = 2

### calculus

find the horizontal tangents of the curve and show work y=5x^3-3x^5

### calculus

let y=(x+sin(x))^2 f(x)=? g(x)=? (f o g)'=? compute the derivative using the chain rule

### Calculus

If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).

### Calculus

If the tangent line to y = f(x) at (4, 3) passes through the point (0, 2), find f(4) and f'(4).

### Calculus

Locate the absolute exterma of the function on the closed interval. y=3-|t-3| , [-1,5]

### Calculus

Find the equation of the tangent to the curve y=sin^-1 (1/x) at x=2. Please help!