# Pre- Calculus

21,887 results, page 78-
## math/calculus

find the domain and range of the function f(x)=x^2-9/4x^2+x -
## math-calculus

x^2+9xy+20y^2 i never deal with something like this before i come up with (x+4)(x+5) but that wrong because y have to be there how i do this? -
## Calculus

Sketch the graph of a function that is continuous at x=5 but not differentiable at x=5. -
## Calculus

Use the form of the definition of the integral to evaluate the intergral. From 0 to 9 (10+6x-x^2) -
## Calculus

Find the derivative 1. y = e^xSin²x 2. y = (x³+1)e^-4 3. y = x²e^Sinx -
## Calculus

Compute the absolute and relative errors in using x to approximate x. x=pi; c=3.18 -
## Calculus

How do I solve for: 5000 = 45t^2 + 240t + 450 -
## calculus

Solve for x on the interval (0, 2pi] (sin2x + cos2x)^2 = 1 -
## Calculus

Give an example of a function that is integrable on the interval [-1,1], but not continuous on [-1,1]. -
## calculus

x arc cos square root of4x+1 -
## Calculus

Find the horizontal asymptote for the function: 3x^4-2x^3+7x/x^4/14x-2 -
## Calculus 2

Calculate the arc length of y= 1/4x^2−1/2ln(x) over the interval [1,6e] -
## calculus

Find the equation of the curve for which y'=3x² and which passes through (1,-1). -
## Calculus

Find the area of the region enclosed by the given curves: 4x+y^2=9, x=2y -
## Calculus

Find all the intervals on which the function is concave upward: f(x)= 4x^2-x/x^4 -
## Calculus

did i use the chain rule correctly? y=(8x^4-5x^2+1)^4 d(f(x)/dx =d/dx ((8x^4-5x^2+1)^4) =4*(8x^4-5x^2+1)^3*d/dx(8x^4-5x^2+1) =4*(8*d/dx(x^4)-5*d/dx(x^2))*(8x^4-5x^2+1)^3 =4*(8*4x^3-5*2x)*(8x^4-5x^2+1)^3 =4*(32x^3-10x)*(8x^4-5x^2+1)^3 -
## Calculus

How do I go about integrating sin[x^(1/3)]dx?? I tried doing integration by parts and I'm going in circles. -
## calculus

Find the area of the region between the parabola 4y = x^2 and the line 3x + 4 y = 4 -
## calculus

find the derivative of the function s=t^9lnabsolut power t -
## calculus

find the derivative of y with respect to x if y=(13x^2-26x+26)e^-3x. y'= -
## Calculus 1

Find the exact value of each expression. (a) cot^-1(sqrt(3)) -
## calculus

derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3 -
## calculus

Sin2pieover13plus cos squared pie over 13 equals. -
## calculus

Sin2pieover13plus cos squared pie over 13 equals. -
## calculus

x(t)=3t^3-40.5t^2+162t find where object is speeding up or slowing down -
## calculus

find the area of the region bounded by the curves f(x)=x-x^3 ; g(x)=x^2-x ; over [0,1] -
## Calculus

What is the average rate of change I would like to know how does the formula f(2.1)-f(2)= 12.3 how did they get that answers -
## Calculus

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

Assume that x and y are differentiable functions of t. Find dy/dt using the given values. xy=x+4 for x=4, dx/dt=-5 a. 0.20 b. 3.75 c. 1.25 d. 5.00 e. -0.25 -
## math-calculus

value of |7|-|-6|+|-cubicroot-64| i got 25 after doing whole thing but real answer be 5, i not get how to get that. -
## Calculus

Evaluate limit as x approaches 0 of: csc^2(7x)tan(2x^2) -
## calculus

find an equation of the tangent line to the curve at y=2x^3+5x, (-1, 3) -
## calculus

For the function f(x) = 20x^3 − 3x^5, determine the interval(s) for which f(x) increases. (–2, 2) (–∞, –2) U (2, ∞) (–2, 0) U (2, ∞) (–∞, –2) U (0, 2) -
## Calculus

can you show me how to solve an equation using the chain rule -
## calculus

evaluate lim of x as it approaches infinity for sqrt of x^2 -1/2x+1 -
## Calculus

can you please explain the chain rule in simple terms. thank you -
## calculus

u have 7 different pass codes from a choice of 8 numbers how many possible outcomes are there -
## calculus

Use the tangent line approximation to approximate the value of ln(1008) -
## CALCULUS

ʃ (4sin²x cos²×/sin2x cos2x)dx PLEASE HELP!! -
## calculus

Evaluate the limit lim sin4x/tan9x x-> 0 -
## Please Help ! Calculus

Find two numbers whose sum is 42 and whose product will be at the largest possible. -
## calculus

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

Consider a car whose position, s, is given by the table t(s) s(ft) 0 0 .2 0.35 .4 1.8 .6 3.8 .8 6.5 1 9.6 Estimate the velocity at t=0.2 -
## Calculus

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

Find the domain: f(x)= x2-7x+12/x4-8x3+13x2+30x-72 -
## calculus

Find the area enclosed between f(x)=05x2+3 and g(x)=x from x=−8 to x=3. -
## Calculus

Find relative maxima and minima of g(x)= 2x^2+ 4000/x +10 -
## Calculus

Find d^2y/dx^2 for y=(x+3)/(x-1) A. 0 B. y=-8/(x-1)3 C. y=-4/(x-1)^3 D. y=8/(x-1)^3 E. None of these I got a positive number but am not sure about the denominator in the second derivative. -
## Calculus

Find the limit of cosx/(1-sinx) as x->(pi/2) from + side -
## Calculus

Find the minimum distance from the parabola x + y^2 = 0 to the point (0,-3). -
## Calculus

Find the minimum distance from the parabola x + y^2 = 0 to the point (0,-3). -
## Calculus

If 3 x2+ 5 x + xy = 3 and y( 3 ) = −13, find y′( 3 ) by implicit differentiation. -
## calculus

Evaluate the following limit lim x--> 2 Square root over x^2 - x/2x - 3 -
## Calculus (integrals)

Find the integral:8x^7+6/(x^8+6x)^2 I got ln(x^8+6x)^2 but apparently that is wrong. -
## Calculus II

using integration by partial fraction, prove that pi + integral from 0 to 1 of x^4(1-x)^4/1+x^2 = 22/7 -
## Calculus

Find limit as x approaches -1 (x^2+2x+3)/(x^2+1) A. 0 B. 1 C. Infinity D. DNE E. None of these -
## Calculus

Find dy/dx if x^2+y^2=2xy A. x/(x-y) B. (y+x)/(y-x) C. 1 D. -x/y E. None of these Do I equal it to 0 and use implicit rule? -
## Calculus

Determine the limit as x approaches 1 f(x) if f(x)={3-x, x does not equal 1 and 1, x=1 A. 2 B. 1 C. 3/2 D. DNE E. None of these -
## Calculus

Find the limit. lim x-->1 (x^3)-1/((5x^2)+2x-7) Please show steps. -
## 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 area of the region enclosed by y=6x2 and y=x2+15 -
## Calculus

Use a linear approximation (or differentials) to estimate the given number. (32.06)^4/5 -
## ap calculus

let y=f(x) be the particular solution for the differential equation with the initial condition y(-1_=3/2 -
## calculus

when finding area, what does it mean when it says that the function is below by the x-axis, can you give me example of this -
## Calculus

find the absolute extrema of f(x)=sin pi x on [-1,2] Not sure how to do this problem.... -
## Calculus

find the point(s) of inflection on the function f(x)= 10x + 10/x -
## calculus

Find all solutions in the interval [0,2π) sin3x−sinx=0 -
## calculus

Find the minimum distance from a point (6,3) to the parabola y^2=8x. -
## Calculus

Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor? -
## Calculus

the equation represents for a recurrence relation, Mt+1= 0.75Mt+2 with Mo=5 -
## calculus too hard help

if y=x^x^x^x... dy/dx=? plz show working thanks got no ideal at all -
## calculus

f''(x) = (3x^3 - 5x^2 + 1) / x^2; and f(1) = 0, f(-1) = 1. So i turn f''(x) into (3x^3 - 5x^2 + 1)(x^-2) and multiply to get f''(x) = 3x - 5 + x^-2 So f'(x) = (3/2)x^2 - 5x - (1/x) + c And f(x) = (1/2)x^3 - (5/2)x^2 - ln(x) + cx + d Not really sure what to -
## Calculus

Find the slope of the graph y=x^9-2x+(square root of 5-x)^3 @ (1,7) -
## 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

Solve for x: lnx^3 - 2lnx = 1 Please try and show how you got the answer best as you can thank you :) -
## Calculus

Estimate ç4 1 ln(x)−3dx using 6 midpoint rectangles -
## calculus

find the interval on which the graph of f(x)=ln(x^2+1) is concave upward. -
## Calculus

Find the area of the region in the first quadrant between the curves y=x^8, and y=2x^2-x^4 -
## calculus

Use a linear approximation (or differentials) to estimate the given number. e0.01 -
## calculus

Can anyone please explain to me that how can I find the discontinuities of the following function? f(x)=[(x+1)(x+2)]/(x-3)^2 THANKS A LOT~! -
## Calculus

ã6(2ã6 - ã5) How do you get 12-ã30? I keep getting a way different answer:\ Btw not sure if the radicals will show up. -
## calculus.can you help me on these as well@sir collins

integrate sin^7xdx -
## Calculus

Given f(x)=1+2cos x , find the area under the curve y=f(x) between x = pi/2 and 2pi/3. -
## Calculus (PLEASE HELP ASAP!)

Find f(x) satisfying the given conditions: 1) f"(x) = 1/x^3 f'(1) = 1/2 f(1) = 0 2) f"'(x) = sin (x) f"(0) = 0 f'(0) = 1 f(0) = 0 -
## Calculus

Find an equation of the tangent line to the curve for the given value of t. x=t^2-2t, y=t^2+2t when t=1 -
## calculus

If we know that for a function, f(x), that f(2) = 6 and f(5) = 1, what is the average rate of change of f(x) on the interval [2,5]? -
## Calculus

Given that \displaystyle \int_0^4 x^3\sqrt{9+x^2} dx = a, what is the value of \lfloor a \rfloor? -
## Calculus

Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples. -
## Calculus

What are two conditions that must be met before the Extreme Value Theorem may be applied? -
## Calculus

An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7 -
## calculus

Find f'(x): f(x)=3(2x^25x+1) I am not sure if the 5x is multiplied to the 2x^2 (I got f'(x)=90x^2) or there is a typo. -
## Calculus

Use continuity to evaluate. as x approaches 2, lim arctan((2x^2-8)/(3x^2-6x)) -
## calculus

what is three times the square root of the third derivative of x cubed. where x=y-2 and y=8 -
## calculus

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

Please show me how you do this. Thank you. Calculate the definite integral: 2 ∫_ 2x dx 7 -
## Calculus

lim X--> 0 from the left (9/x - 9/|x|) Find the limit if it exists -
## Calculus

For what values of the constants a and b is (1,3) a point of inflection of the curve y=ax^3+bx^2? -
## Calculus

Find the limit: as x approaches 0 lim((5/x)-(5/sin(x)) -
## Calculus I'm really confused

solve the differential equation dy/dx=y^2/x^3 for y=f(x) with condition y(1)=1. -
## calculus

Evaluate the integral S x/(sqrt(3x-1))dx Use U-Substitution method.