# Pre- Calculus

21,138 results, page 76

### calculus

evaluate the limit Lim as x approaches 3 (1r3 - 1rx ) / (x - 3)

### calculus

find the lim cos 2x/(5 + x) as x approaches pos. inifinity

### calculus

f(x) |x|+1 x<1 -x+1 x>or equal to 1 evaluate f(1) choices a) 0 b) 2 c) 3 d) -1 e) 1 I answered b) 2, got it wrong

### calculus

find the points of intersection of the parabolas Y=(1r2 x^2) and Y=10x - 2.

### calculus

find the points of intersection of the parabolas Y=(1r2 x^2) and Y=10x - 2.

### Calculus

find the definite integral that represents the are of the region enclosed by y= 4x-x^2.

### Calculus

If f(x)=e^(x+5lnx) find f'(4), correct to two decimal places.

### calculus

Find the limit for the given function. lim t-->0 (sin(8t))^2/t^2

### calculus

Find an interval of t-values such that c(t)=(2t+1,4t-5) parametrizes the segment from (0,-7) to (7,7). What do you do???

### calculus

How do you find the area of the intersection of the circles r=sinx and r=cosx?

### calculus

Find derivative(use logrithmic functions). y=x^-cosx

### Calculus

HELP PLEASE Find the minimum distance from the point (4, 2) to the parabola y^2=8x

### calculus 1

find the interval at which the function increases and decreases x^3\3 +x^2\2 +x +100

### calculus

Determine the equation of the line that is tangent to y=8^x at the point on the curve where x=1/2

### calculus

Find the derivative r '(t) of the vector function r(t). <t cos 5t , t2, t sin 5t >

### calculus

Find the local max/min points for the function y=x^2 * e^x

### calculus

DETERMINE THE EQUATION OF THE NORMAL LINE TO THE CURVE Y=2^(1/X) AT THE POINT WHERE X=1.

### calculus

Solve the equation. 2x - 4 = -10 Find the LCM of 29 and 116. Simplify. 88 · 8-8

### Calculus

Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

### calculus

calculate the derivative of the following functions at the given point? f(x)=3x-1 x=17 and f(x)=-5x^2 x=2

### Calculus

Find the Taylor polynomialof order 5 appoximation to sin(1.5)

### Calculus

Differentiate the function f(t)=1/4(t^4+8). My answer wa 4t^3. The book says t^3. What am I doing wrong,

### Calculus

Determine the slope of the tangent line to the curve y=2x^3-3x^2+1 at the point (1,0)

### calculus

I'm trying to find the antiderivative of (x+3)/2 How would you go about this? The answer is (x+3)^2/4

### Calculus

(sin(47))^2 + (cos(43))^2 = With the correct number of significant figures.

### Calculus

express the given quantity as a single logarithm: ln(a+b)+ln(a-b)-8ln(c)

### Calculus

Find the absolute maximum and minimum values of f(x)=(x^2)(e^(-x/2)) on the interval [-1,6]

### Calculus, need help again...

If the function f is defined by f(x)=x^2-2x, find limit h->0 (f(3+h)-(f(3-h))/2h

### calculus

Find the points on the curve y= 2x^3 + 3x^2 - 36x + 7 where the tangent is horizontal.

### calculus

Let f(x) = x+1 and g(x) = -(1/5)x +3 How can we find the size of angles formed by these two lines

### Calculus

How would you find the limit of (secx-1)/(x^2) as x goes to 0 algebraically?

### calculus

Prove that cos(sin inverse x) = square root ( 1-x^2)

### calculus

Prove that cos(sin inverse x) = square root ( 1-x^2)

### calculus

h(t)= cubed root t(t^2=4) using the product rule. how do i set it up

### Calculus

Find the horizontal and vertical asymptotes of f(x)=csc^-1(x) if they exist.

### calculus

Find the equation of tangent line to the curve Y=2/x^2+x At the point where x=1

### calculus

find,if any, an equation for a common tangent line to these 2 curves:5x^2;and 5x^2-x+6

### Calculus

use the midpoint rule to approximate the integral from -7 to 1 of (10x-5x^2)dx

### calculus

Find the 1st derivative of the function: y = 1/4 sin^2 (2x) So confused...

### calculus

y=3⋅2^x Find the equation of the line tangent to the graph of y at x=1.5.

### Calculus

find the polar equation for hyperbola eccentricity of .8 and a vertex of (1,pi/2)?

### Calculus

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

### Calculus

Find the equation of the tangent line to the graph of f(x) = −6x ln(x + 10) at x = 0.

### 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!