A certain group of test subjects had pulse rates with a mean of 84.6 beats per minute and a standard deviation of 11.6 beats per min. For some reason, I keep getting the incorrect answer for...

A certain group of test subjects had pulse rates with a mean of 84.6 beats per minute and a standard deviation of 11.6 beats per min. For some reason, I keep getting the incorrect answer for...

The demand function for a product is p=32-2q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the maximum revenue...

Azhar is given a piece of wire of length Lcm to be bent into the shape of a rectangle with an area of 10.24cm2 . Find the shortest wire,l in order to achieve given task

Among all rectangles that have a perimeter of 134, find the dimensions of the one whose area is largest. Write your answers as fractions reduced to lowest terms.

A supply company manufactures copy machines. The unit cost C (the cost in dollars to make each copy machine) depends on the number of machines made. If x machines are made, then the unit cost is given...

let f(x)=sin(x)+cos(x)+tan(x)+arcsin(x)+arccos(x)+arctan(x). if m&m are maximum and minimum values of f(x), then thier arithmetic mean is equal to

Golf balls cost $0.90 each at Jerzy’s Club, which has an annual $25 membership fee. At Rick & Tom’s sporting-goods store, the price is $1.35 per ball for the same brand. Where you buy...

The constrained relative maximum of a function f(x,y) with the constraint x^2-7x+2y=16. The constrained relative maximum occurs when x = 0. What is the y-value for the point where the constrained...

Ramon wants to fence in a rectangular portion of his back yard against the back of his garage for a vegetable garden. He plans to use 68 feet of fence, and needs fence on only three sides. Find the...

graph the function

f(x)= 4x^2-8x+3

A hall charges $30 per person for a sports banquet when 200 people attend. For every 10 extra people that attend, the hall will decrease the price by $1 per person. What number of people will maximize...

If s=19-(5+r)3 , for what real value of r will s have its maximum value?

The revenue, R(x), of producing and selling x Awesome Hearing Aids is modeled by the function R(x) = -4 x^2 + 51 x How many hearing aids need to be produced and sold in...

Find the maximum of f(x,y)=xy on the constraint curve (x+1)2+y2=1.

The demand curve for a product is given by q equals 1000 minus 2 p^ 2 where p is the price. Find the price that maximizes revenue for sales of this product.

Caresia is an artist who works at a her shop drawing “watercolor portraits.” She charges $20 per portrait and she has been averaging 30 portraits per week. She decides to increase the price, but realizes...

Applied Max/Min (25 points) a. You have $2000 dollars to buy fence to enclose a rectangular plot of land (see figure at right). The fence for the top and bottom costs $5 per foot and...

Let h and g have relative maxima at x0.

Let z=(x2+y2)sin(2x+y). Show that (0,0 is a critical point. Is it a local max or min?