## Problem 809

Find the percentage rate of change of f(x) at the indicated value of x. f(x) = 10500 – 3×2 ; x = 55   Solution:-   The percentage rate of…

## Problem 808

Find the equation of the line tangent to the graph of f at the indicated value of x. f(x) = 16ex + 15x; x = 0   Solution:-   y…

## Problem 807

A famous painting was sold in 1945 for 32.9 million. What rate of interest compounded continuously did this investment earn?   Solution:-   As an investment,  the painting earned an…

## Problem 806

Find all horizontal and vertical asymptotes. f(x)=   Solution:-   The horizontal asymptote(s) is/are  y = 3. The vertical asymptote(s) is/are = x = -3.

## Problem 805

A manufacturer of hospital supplies has a uniform annual demand for 500000 boxes of bandages. It costs 250 to set up the plant for production. How many times a…

## Problem 804

A company manufactures and sells x television sets per month. The monthly cost and price-demand equations are C(x) = 72000 + 40x and p(x) = 300 – x/20 ,0≤x≤6000. A)   …

## Problem 803

A deli sells 640 sandwiches per day at a price of 0.10 reduction in the price, 20 more sandwiches will be sold. How much should the deli charge in order…

## Problem 802

A laboratory uses 600 white mice each year for experimental purposes. It costs 18  for processing the order. How many mice should be ordered each time to minimize the total…

## Problem 801

A  publishing company sells 900,000 copies of certain books each year. It costs the company 500 to set up the presses. How  many books should the company produce during…

## Problem 800

Find the probability of correctly answering the first 4 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.   Solution:-  …