# Pre- Calculus

21,321 results, page 84

### calculus

Find equations for the lines that are tangent and normal to the graph of y = sinx + 3 at x = pi

### calculus

how to find all real zeros of "4x^5+8x^4-15x^3-23x^2+11x+15

### calculus

Express the given quantity as a single logarithm. 1/3ln(x + 2)3 + 1/2[ln(x)− ln(x^2+3x+2)^2]

### calculus

sqrt(x^2 - 9) / x I need to solve this using the definition of a derivative [f(a+h) - f(a)]/h I can't seem to get it :\

### calculus

Let f(x)=6x+16x^2 . Then the equation of the tangent line to the graph of f(x) at the point (2,16) is given by y=mx+b for m= and b=

### Calculus

is there a number a such that the lim x->2 6x^2+ax+a+57/x^+x-6 exists? if so find the value of a and the limit.

### calculus

Find the points on the curve y=(cosx)/(2+sinx) at which the tangent is horizontal.

### Calculus

Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^-x)

### Calculus

If f(x) = { √2-x x < 2 { x^3 + k(x+1) x ≥ 2 determine the value of the constant k for which lim exists. x->2

### elements of calculus

write the equation of the line tangent to the curve y= 3x^3- 2x at the point where x=2

### calculus

Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x)) = 2^x(lnx) but now I'm stuck..

### calculus

y = (ln x)^(cos4x) Use logarithmic differentiation to find the derivative of the function.

### Calculus

Find all points on the curve where the tangent line is horizontal y = (x^6/6) - (x^2/2) + 1

### Calculus

Find all points on the curve here the slope is 1 y = x^4 - 31x + 11

### calculus

find the equation of the tangent line at f(x)=tanx - 2 at point (pie/8,3)

### calculus

If y = f(x) = x^(p/q) then y^p = x^p show through implicit differentiation that d/dx[x^(p/q)] = (p/q)x^[p/q] Not sure how to tackle this problem.

### Calculus

Find the area of the region enclosed between y = 2sin (x) and y = 2cos (x) from x = 0 to x = pi/4. Thanks for your help :)

### calculus

find equations of the tangent lines to the curve y=(x-48)/(x+48) that are parallel to the line y=6x+6

### calculus

this is the last problem on my homework and I JUST CANT GET THE RIGHT ANSWER!! Help. :/ limit as x -> -infinity of: (1-(3/x))^2x

### Calculus

Find the three zeros for the following function on the interval -5 </= x </= 5 (1 + 50sin(x)) / (x^2 + 3)

### Calculus please help

Find the centroid of the area bounded by the parabola y=4-x^2 and the x-axis A.(0,1.6) B.(0,1.7) C.(0,1.8) D.(0,1.9)

### Calculus

Find the average value of the function on the given interval. f(x)=6x lnx; [1,e^2]

### calculus

Consider the function whose second derivative is f''(x)=7x+6sin(x). If f(0)=2 and f'(0)=3 , find f(x) .

### Calculus

Find the area under the curve y=5(cosx) and above y=5(sinx) for 0<x<pi

### calculus

what is the exact area of f(x)= 4x+5 from x=1 to x=4 using the limit of an infinite sum method.

### calculus

find the are of the surface of the part of the sphere (x^2)+(y^2)+(z^2)=4 that lies above the plane z=4

### calculus

Anti Derivative of F''(x) = 4 + 6x + 24x^2, f(0) = 3, f(1)=10 Not sure how to find the value of the constant for F'(x).

### integral Calculus

ʃ(1-sin A)^2 cos A dA please help.i don't know how to solve this.i need your help

### calculus

given f(x)=ã(x). find the distance of the point P(2,5) from the line tangent to the functions at x=4.

### Calculus

Find the area of the region bounded by y=x^4/3-4 , the x-axis,x=-1 , and x=1 .. Search tips:

### calculus

verify the Intermediate Value Theorem if F(x)=squre root of x+1 and the interval is [3,24].

### calculus

Write the definite integral for the area of the region bounded by the grpahs of y=9-x^2 and y=0

### Calculus

Integrate dx/xlnx. What method am I supposed to use? I'm totally lost.

### math-calculus

x^2+9xy+20y^2/x^2+5xy (x+4y)(x+5y)/(x))x+5y) i cancel off x+5y's (x+4y)/(x) that be the anser?

### Calculus

What exactly is an integral? I understand it is the area under a curve but what does it pertain to?

### math-calculus

for which of following functions is graphof y = |f(x)| identical to graph of y = f(x)? A. f(x) = 2x B. f(x) = -2x C. f(x) = 2x^2 D. f(x) = -2x^2 i real not get this.

### Calculus (Help please)

Find all the critical numbers for the following function. F(x) = (16 - x^2)^(3/5)

### calculus

How do you find the points of continuity for F(x) = sin(x^2-2) ? Can you show your work? Thx

### collge calculus

find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)] without using logarithmic differentiation!

### MATH -CALCULUS

SKETCH THE REGION ENCLOSED BY THE GIVEN CURVES: Y=|10X|, Y=X^2-11

### Calculus

Find the equation of the tangent line to the curve y = sqrt (x+5) at the point (4,3)

### College Calculus

Calculate the average over the given interval. f(x)=sin(pi/x)/x^2, [1,2]

### Calculus

Verify this question 1. Determine lim as x->3 (3x-8)/(4x-12), if it exists. (3(3)-8)/(4(3)-12) =1/0 Therefore it doesn't limit doesn't.

### Calculus

I think I wrote it wrong earlier it should be Find the derivative y = (3x+2)/(x+1)

### calculus

Determine whether the given function is continuous. If it is not, identify where it is discontinuous.

### calculus

Find the surface area generated when y = (x^3/12) + (1/x), from x=1 to x=2 is rotated around the x-axis.

### Calculus

find all points at the curve x^2y^2+2xy=3 with the slope of the tsngent is -1

### calculus 2

find the indefinite integral showing all work. x^3(x^4-11)6dx

### Calculus

If f(x) has zeros at x=a, and x=b, the x coordinate of the turning point between x= a and x=b is 1/2(a+b). PLease help i don't understand this!

### Calculus

Given y = 5 sin(6x – pie), state the (a) period (b) phase shift

### calculus

Find an equation(s) of the circle(s) described. Tangent to x + y = 0 and x - y - 6 = 0; center on 3x - y + 3 = 0. How do you solve this?

### calculus

how do I find the equations for the lines tangent to the curve y 4 + x y= ------ 4 - x which are parallel to the line y = 2x 32.

### Calculus

Which value of k will make the plane r=(k,3k,12) +s(2,2,3)+t(-1,1,3), s,teR passing through the origin? a) 2 b) 1 c)0 d) -1

### Calculus I

Section is Integration by substitution: evaluate the indicated integral. tan 2x dx

### Calculus I

Section Antiderivatives: Find the function f(x) satisfying the given conditions. f''(t) = 4 + 6t, f(1) = 3, f(-1) = -2

### Calculus

Please Help! I tried doing this on my own and got the wrong answer. Differentiate: y=4/(x-x^2)^(1/4)

### Calculus

INT 1/sqrt e (the constant) dy from 1 to infinity. Determine if it is convergent or divergent

### Calculus

Find the area of the region enclosed by the given curves: y=e^6x, y=2sin(x), x=0, x=pi/2

### calculus

evaluate the limit using change of variable x--> 27 27-x _________ x^1/3 -3 (answer is 1/12)

### calculus

rewrite the expression in terms of the first power of the cosine. sin^8x

### ap calculus

write an equation for the line tangent to the graph of f at (-1,3/2) and use it to approximate f(-1,1)

### ap calculus

find the particular solution y=f(x) to the differential equation with the initial condition y(-1)=3/2

### Calculus grade 12

Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).

### Calculus grade 12

Determine an equation for the line parallel to 2x + 6y + 4z = 1 and contains the point P(3, 2, 1).

### Calculus

Explain why a line in three-space cannot be represented by a scalar equation.

### Calculus

Determine if the planes in each pair are parallel and distinct or coincident. a) 5x - 2y + 4z = 7 5x - 2y + 4z = -3 b) 7x - 3y - z = 9 21x - 9y - 3z = 27

### Calculus

Explain why a line in three-space cannot be represented by a scalar equation.

### calculus

Find the exact values of x if 0<=x<=pi and 2sin^2(x)-sinx-2sinxcosx+cosx=0

### English

He must like studying calculus. Whats the noun function?

### Calculus

3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.

### Calculus

3. Determine that the vectors u=[t, 4, 2t+1] and v=[t+2, 1-t, -1] are perpendicular, find the possible values of the contant, t.

### Calculus First Derivatives

If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.

### Calculus 1

Find constants a and b in the equation f(x)= ax^b/(ln(x)) such that f(1/3)= 1 and the function has a local minimum at x= 1/3

### calculus

Please help! ∫17dx/x^2(sqrt(x^2+49)) .. let x=7tan(θ). thank you so much for your help!

### Calculus

Determine the equation of the tangent line to the curve y = 2x²-1 at the point where x = -2

### Calculus Grade 12

determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6

### Calculus exam review, PLEASE HELP!!

find the angle between these lines [x,y,z] = [3,4,1] + s[-1,5,-2] [x,y,z] = [8,5,-9] + t[2,3,-6]

### Calculus

Find the derivative of the function y defined implicitly in terms of x. y = √(xy+ 9)

### Calculus

find the volume generated when the ellipse x^2/9 + y^2 = 1 is rotated around the line y=5

### calculus

Hey I am working on differentiation/quotient rule for this problem...can someone help me? x^2-3/x-2.

### calculus/derivatives

I need to find the derivative and can't do them when they are raised to powers? Thank You. m(x)x^5 - 5x^3+7x -4)^10 (4x^9 +19)^23 this on is tuff!

### calculus

solve the differential equations subject to the given conditions. dy/dx= 4x^1/2 y=21 of x=4 is this derivative?!

### Calculus 1 Integration Trig Inverse

integral of (4/(x times the square root of (x^2-1)) + (1+x+x^3)/(1+x^2)dx

### Calculus AP

im still stuck. i need help. evaluate the integral ∫sinx /(1+x^2) dx from -1 to 1

### calculus

Solve lim x->7+ as....sqrt(x-7)^3/(x-7). I found that it equals 0, but I don't know if I did everything right.

### physics

what is the displacement of the ball? i.imgur. com/8ljWh . png i don't know calculus!

### Calculus

find the area between the two curves y=1/2x and y=x square root of 1-x^2

### Calculus

Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis

### Calculus

Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis

### calculus please help me

find derivative of: f(x)=e^2 I know that b/c e is a constant the answer is 0, but how do I show that in my work?

### Calculus

Find dy/dx using implicit differentiation of xy + sin^2y=10350. Is it -y/(x+2siny)

### Calculus

Find the critical points of f(x)=x^4e^-x. You would use the product rule. Then what?

### Calculus

Suppose f and g are inverses, and (1,5) is a point on the graph of f. If f'(1) = -3, what, if anything, does that tell us about g'(1).

### calculus

don't understand at all... find the slope of the tangent line to the curve y=xe^x at (1,e)

### calculus

Find any critical numbers of the function h(x)=sin^2(x)+cos(x) 0 < x < 2π

### calculus

If x^2 + y^2 = 100 and dy/dt = 6, find dx/dt when y = 8. (Enter your answers as a comma-separated list.)

### calculus

Find critical points of f, and the extrema of f on the given interval. a)f(x) = x^4-10x^2; [0,3] b)f(x) = (x/e^x); [0,2]

### Calculus

Prove that the integral from 0 to 2 of sqrt(4-x^2)dx = pi Should I use a trip substitution for this? Thanks for the help.

### calculus

Find the equations of the tangents to the curve x^2+y^2=25 which pass though the point (-1,7)