find the local max and min values of f(x)=xsinx+cosx for -pi≤x≤pi I am so stuck at how to figuring out the sign, which is important. I did take the derivative xcosx=0 then...

find the local max and min values of f(x)=xsinx+cosx for -pi≤x≤pi I am so stuck at how to figuring out the sign, which is important. I did take the derivative xcosx=0 then...

A cylinder is inscribed in a right circular cone of height \displaystyle 11 inches and radius (at the base) equal to \displaystyle 6 inches. What are the dimensions of such a cylinder that has maximum...

help!!! i need this answered asap

Consider the curve C given by the equation: C · · · √ x + √ y = √ a, where a is a constant, a > 0. Let (x0, y0) with x0 > 0, y0 > 0, be a point on C. If (x1, 0) and (0, y1) are x...

ketch the graph y=x/(x-1)^2 Not allowed to use graphing calculator. I am supposed to figure out how the graph is going to be by the "domain, intercepts, asymptotes, intervals...

y=xradical4-x^2 Notes: 4-x^2 is all under radical Not allowed to use graphing calculator. I am supposed to figure out how the graph is going to be by the "domain,...

answer asap pls!

What is dy/dx when y = 2/(x^4) + 6e^x - 5sin(x)

Differentiate H(z)=ln radical a^2-z^2/radical a^2+z^2 Note: Both the denominator and numerator are under radical Differentiate ...

How do I solve this?

For example, when a limit approaches 0: x^2-5x+7/ x^3

The weight of a great white shark, W pounds, is given approximately by W=0.6x^3, where x is the length of the shark in feet. Suppose that a baby shark is growing at the rate of dx/dt= 0.4 ft/day a...

The period T of oscillation (in seconds) of a simple pendulum of length L (in feet) is given by T=2pi sqrt L/32. What is the rate of change of T with respect to L when L= 4 ft?

To find those values of x which the given function is increasing and those values of x for which it is decreasing

Given xradicalx+1 find the intervals on which f is increasing or decreasing, the local maximum and minimum values, the intervals of concavity and the inflection points. Sketch...

find the open intervals on which the function f(x)=cos^2(2x) is increasing in the interval (0,2pi)

Suppose the Sunglasses Hut Company's profit is given by the equation P=-0.02q2+3q-32, where P is the total profit, in thousands of dollars, and q is the total number of sunglasses sold, in...

Use linear approximation, i.e. the tangent line, to approximate 2.73 as follow: Let f(x)=x3 . The equation of the tangent line to f(x) at x=3 can be written in the form y=mx+b where...

An isosceles triangle has equal sides of constant length 10 feet. The vertex angle (the angle opposite the third side, (the base) is increasing at a rate of 12radian per minute.Find the rate at which...

A piece of cardboard measuring 8 inches by 12 inches is formed into an open-top box by cutting squares with side length x from each corner and folding up the sides. Find...