Pre Calculus
21,824 results, page 84

calculus
Which of the following is the same as 4 ln2x? a) ln8x B)8lnx c)ln8 + lnx d)ln 16^4 
calculus
find the domain and range of the function g(x)= 10+2xx^2 (all under radical) 
calculus
n(x)=x^5+xe^x, find the real zeroes using newtonraphson methodology. 
Differential Calculus
Given that p=(2q^2  5)^2. when q=3, it is increased by 0.7%. find the appropriate percentage change in p. 
Differential calculus
Given that y=x^3/32x^2+3x+2 find its turning points and state their nature 
Calculus
Evaluate y' at (2,1) [Implicit differentiation] 5xy3x4=0 I got 3/10 and 2/10 but both were wrong. 
calculus  limits
can someone help me determine that limit for the following function, as x > 2? 2  abs(x) / 2 + x 
calculus  identities
prove this identity: sec(y)  cos(y)= tan(y)sin(y) THANK YOU!! 
Calculus
Use Mean Value Theorem and find all numbers c in (a,b) 1.x+(4/x) [1,4] Help me! 
Calculus
What is the area of the largest rectangle that can be placed in a 51213 right triangle (as shown)? 
Calculus
f(x) = [3/x^2]  [5/x^7], F(x) is the antiderivative of f(x) with F(1)=0. F(x) = ? I have no idea how to approach this problem. The fractions are scaring me. 
calculus
integrate x*(x+1)^9dx I believe the substitution method is the proper way? 
Calculus
Find the concavity and min and max for f(x) = x*sqrt(x^2+36) defined on the interval [4, 7]? 
calculus
find the general solution x^22(e^y)dy/dx = y^3+e(x^2) i am getting the y^3 dx when i do seperation of variables how do i deal with this. 
calculus
find the general solution x^22(e^y)dy/dx = y^3+e(x^2) i am getting the y^3 dx when i do seperation of variables how do i deal with this. 
AP Calculus
Locate the absolute extrema of the function f(x)=2x^212x+4 on the closed interval [6,6]. 
calculus
lim (x>0.5 from the left)((2x1)/(2x^3x^2) = 4 I would have thought positive four. How can this be? 
MathCalculus
Posted question rewritten lim x> 1 108(x^2+2x)(x+1)^3 ____________________ (x^3+1)^3 (x1) 
calculus 
use a grapher to fine the length numerically (x)=2sin (y) ,pi/3 < y< 2pi/3 
calculus
Use the Table of Integrals to evaluate the integral (x sine(6x^2)cos(7x^2)dx) 
calculus
find the derevative (hint try to use limits) (x^2010  1 )\(x 1 ) 
calculus
Find an equation of the tangent line to the curve at the given point. y= (9x)/(x+1)^2 P = (0,0) 
calculus
Describe all of the different ways a function may not be differentiable at the point P (a,f(a)). 
Calculus
Find the number c that satisfies the conclusion of the Mean Value Theorem. f(x) = x/(x + 4) [1, 8] 
Calculus
Find the scalar and vector projections of b onto a. a = 2i  j + 6k, b = j + (1/2)k compab = projab = 
Calculus
show the following linearization of the function f(x)=cos(3x)3sin(3x) at x=2pi 
Calculus
Solve for x: Lnx= 5 I am stuck on this simple qusetion, i know the answer is .01, but I donr't know how to get it. Thanks! 
calculus
Estimate approximately the slope of the tangent of y=2sinx+cosx at the point x=4,2 
vector calculus
find an equation for the plane that contains the line x = 2t8, y=3t +3, z= 5 t, and the point (5,4,0) 
calculus
What is the volume obtained by rotating the graph y=x^2 for 0<y<1 about the oblique axis y=x 
calculus
find the area of the regions enclosed by the lines and curves. x+y^2=0 and x+3y^2=2 i know the answer is 8/3, but i don't know how to get it. 
Calculus II
How do you integrate the function  > sinx (4^cosx) from 0 to pi/2 I did "usubstitution" to make it the integral from 1 to 0 of 4^u but then i don 't know where to go from there! Thank you 
calculus
to the nearest metre x=24m and y=6m. Calculate the upper bound for the value of xy 
Calculus
How do I find the integration of √(cot) / sin^2(x) by using substitution? 
Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3]. 
Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3]. 
Calculus
Resolve the vector v=[7,9] into rectangular components, one of which is in the direction of u=[6,2]. 
Calculus
Write a scalar equation of each plane, given its parametric equations. x = 3  2s + 2t y = 1 + 3s + t z = 5  s  2t 
Calculus
Write this expression as a single logarithm 6ln(x+8)+1/8lnxln(cosx) 
Calculusimplicit differentiation
How do I find the normals to the curve xy+ 2x  y = 0 that are parallel to the line 2x + y = 0 
Calculus
Diffentiate the function F(x)=(1/2x)^5 My answer is 5/2x^4. The book says 5/32x^4. what am I doing wrong? 
Calculus
Can someone help me to integrate by substitution the indefinite integral: (sinx)/ (1+cos(^2)x)? 
calculus
addendum to previous ques. hope someone will deal with this seriously. 
Calculus
Find f(x)' of f(x)=x^x^x I logged both sides to get ln y = x^x ln x But I am not sure what step to do after that. 
calculus
Solve this over the interval [0,2pi): sin(3x)=(square root of 2)/2 
Calculus III
P=(2,1,0) Q=(1,5,2) R=(1,13,6) Are P, Q, and R collinear? If not, find a vector normal to the plane containing them. 
Calculus
Use the cross product to find the area of the triangle with vertices: P=(1,1,5) Q=(3,4,3) R=(1,5,7) 
calculus
limit as x approaches negative infinity for the function (x)/(sqr root (x^236)) 
calculus
Find all positive values of x that satisfy x multiplied by the x root of x^2 = x^x 
Calculus
Show that the limit for [x^2cos(1/x)]=0 as x approaches 0. How would I solve this algebraically? 
Hard Calculus
f(x)= xsquared 2x for y= absolute value of f(x) does the derivitive exist at x=0 and explain why. 
calculus
if the tangent line to the function f(x)=ãx +a at x=16 has equation y=mx+6. find a and m. you may use the fact that f'(x)= 1/(2ãx) 
calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (1,y2) where y1=?, y2=? 
calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (1,y2) where y1=?, y2=? 
calculus
find the derivative of the function (6x+1)/(19x+1)^1/2 PLEASE EXPLAIN IM LOST 
calculus
Find the equations for the lines tangent to the ellipse 4x^2+y^2=72 that are perpendicular to the line x+2y+3=0 
Calculus....
can you show me how to maniplate this using Trig subtitution... integral dx/4+x^2 x is bounded on [2, 2] 
Calculus
Find the equation of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2y^2) at the point ( 3 , 1 ) 
calculus
If f(1) > 0 and f(3) < 0, then there exists a number c between 1 and 3 such that f(c) = 0. Is this true or false? Please and thank you 
CALCULUS
Find the relative extrema of function. f(x,y)=x2+3xy+y210x20y+12 
calculus
If a store credit account charges 1.2% interest each month, what is the APR? 
Calculus Help
Determine the point at which the graph of the function has a horizontal tangent line. f(x) = (9x^2)/(x^2+6) 
Ap calculus
Find the equation of the tangent line to the curve g(X)= 2cos(2X)/(3X) at the point x= pi/3 
calculus
find the absolute maximum and minimum values of f on the given interval f(x)= (x^24)/(x^2+4), [4, 4] 
Calculus
How do you find the area under the witch of agnesi? (for all radii) 
calculus
find a nonzero value for the constant "k" so that f(x) =tan(kx)/x, if x < 0 3x + 2k^2, if x> 0 will be continuous at x=0 
Calculus
Find the minimum distance, measured horizontally, between the graphs of y=x and y=x^3 
Calculus
Use a linear approximation (or differentials) to estimate the given number. (32.06)^4/5 
Calculus
Find all values of x, where the graph of y = [(5x^3)(6x)+(8)] / (x^2) crosses its oblique asymptote. 
Calculus
Find all values of x, where the graph of y = [(5x^3)(6x)+(8)] / (x^2) crosses its oblique asymptote. 
Calculus
what is Trapezoidal rule? How does it work in finding the area under the curve(s)? 
Calculus
What are the xcoordinates of the points of inflection for the graph of f(x)sin^2x on the closed interval [0,pi]? 
calculus
Find the area of the region under the graph of the function f on the interval [1, 2]. f(x) = 6x + 1 
AP Calculus
True or False If f'(c)=0=f''(c)is less than 0, the f(c) is a local maximum. Justify your answer. 
calculus
find deriviative using definition lim x heads toward a of f(x)f(a)/ (xa) of x^5 
Calculus AB
Find the equation of the line tangent to the curve at t=pi/3: a) x=tsin(t) b) y=1cos(t) 
AP Calculus
A line is perpendicular to 2x+y7=0 and passes through (4,6). Find the y coordinate of the point where x=8 
calculus
How many critical points are in the function: f(x)= (x+2)^5 * (x3)^4 What is the most timeefficient way to do this? 
calculus
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant. 
calculus
A bug walks along the circle x^2 + y^2 = 4. When it is at the point (1, (3)^1/2)), dx/dt = 2. Find dy/dt at this instant. 
Calculus
What is the slopeintercept equation of the line tangent to the graph of y=8ln(x) when x=5. 
Calculus
Use a graph to estimate: Lim x> 0 of sin(8x)/x when x is measured in degrees. 
Calculus
Find the exact area below the curve (1x)*x^9 and above the x axis 
Please help! (Calculus)
Solve initial value problem explicitly: 1. y'= ye^x, y(0)=1 2. y'= 5xe^y, y(1)=1 
Calculus
let f(x)=x*e^x For what value of x is the slope of the line tangent to the graph of function f at [x,f(x)] equal to 1/2? 
calculus
Find the exact area of the region bounded by the axis and the graph of (x^3)x 
AP Calculus
Determine whether Rolle's Theorem is valid f(x) = 3  x  2 for [1, 5] if so, find c. if not, tell why. 
Calculus
Mt+1= 0.75Mt+2 give the solutions of the dynamical system with Mo=5 i.e determine Mt as a function of t 
Calculus
On what intervals is the function f(x)=x7−7x6 both decreasing and concave up? 
Calculus
Given a power function of the form f(x)=axn, with f(3)=20 and f(9)=1620, find n and a 
Calculus
Find the derivative of the function f by using the rules of differentiation. f(x) = 360 
Calculus
find the volume of the solid formed by rotating the region enclosed by y=e^(1x+4), y=0, x=0, x=0.9 
Calculus Please Help
Let f(x)=4−x^2. Find each of the following: (f(2+h) f(2))/h = ________ lim h>0 (f(2+h) f(2))/h = ______ 
Calculus
Use the Product Rule to find the derivative of the function. f(x) = (x^3 − 2x)(5x^2 + 2x) 
calculus
Find the derivate of the function f(x) = 2x2 + 23x + 5 What is the value of this derivative when x = 19 
calculus
Find the derivate of the function f(x) = 2x2 + 23x + 5 What is the value of this derivative when x = 19 
Calculus  Verify?
Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2y^2) it is at pt (3,1) 
calculus
how do you solve the folowing question giving respect to the given variable x 2(3 x + a)b(2x)=3(x+1) 
calculus
f(x)=12x/sinx+cosx find f'(pie) anyone know the answer!!! need help! 
Calculus
Find the area in the second quadrant bounded by the xaxis and f(x)=sqrt((x^3/8)+1)