Solve the following problems related to optimization problems A restaurant finds that, when priced at $8, it sells 60 sandwiches a month. For every dollar that the restaurant discounts their sandwiches, they sell 5 more per month. If the cost to the restaurant to make a sandwich is $4, find the price that the restaurant should charge for a sandwich to maximize its profit. must show all steps.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
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Solve the following problems related to optimization problems

A restaurant finds that, when priced at $8, it sells 60 sandwiches a month. For every dollar that the restaurant discounts their sandwiches, they sell 5 more per month. If the cost to the restaurant to make a sandwich is $4,
find the price that the restaurant should charge for a sandwich to maximize its profit. must show all steps.

In order to construct a revenue function, we start with the demand function. Let p(x) be
the price per unit that a company can charge if it intends to sell æ units. This is referred
to as the demand function or price function and is typically a decreasing function of x.
This means that a higher price will sell fewer items while a lower price will sell more items.
If r units are sold at a price per unit of p(x), the total revenue can be calculated as
R(r) = quantity x price = rp(x)
and R is referred to as the revenue function. The derivative R' is called the marginal
revenue function and is the rate of change of revenue with respect to the number of units
sold.
If r units are sold, we can combine the revenue and cost functions to form the profit
function. The total profit can be written as
P(x) = R(x) – C(x)
and is called the profit function P. The marginal profit P' is the rate of change of profit
with respect to the number of units sold.
Transcribed Image Text:In order to construct a revenue function, we start with the demand function. Let p(x) be the price per unit that a company can charge if it intends to sell æ units. This is referred to as the demand function or price function and is typically a decreasing function of x. This means that a higher price will sell fewer items while a lower price will sell more items. If r units are sold at a price per unit of p(x), the total revenue can be calculated as R(r) = quantity x price = rp(x) and R is referred to as the revenue function. The derivative R' is called the marginal revenue function and is the rate of change of revenue with respect to the number of units sold. If r units are sold, we can combine the revenue and cost functions to form the profit function. The total profit can be written as P(x) = R(x) – C(x) and is called the profit function P. The marginal profit P' is the rate of change of profit with respect to the number of units sold.
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