The price-demand equation and the cost function for the production of table saws are given, respectively, by x= 6,000 – 20p and C(x) = 98,000 + 70x, where x is the number of saws that can be sold at a price of $p per saw and C(x) is the total cost (in dollars) of producing x saws. Complete parts (A) through (I) below. (A) Express the price p as a function of the demand x, and find the domain of this function. The price function is p=

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The text presents a problem related to the production of table saws, involving both a price-demand equation and a cost function.

**Price-Demand Equation**:
The equation given for the demand is:
\[ x = 6,000 - 20p \]

Here, \( x \) represents the number of saws that can be sold at a price of \( \$p \) per saw.

**Cost Function**:
The cost function is expressed as:
\[ C(x) = 98,000 + 70x \]

This equation represents the total cost (in dollars) of producing \( x \) saws.

**Problem (Part A)**:
The task is to express the price \( p \) as a function of the demand \( x \), and to find the domain of this function.

To solve Part A, we need to rearrange the price-demand equation to solve for \( p \):
\[ x = 6,000 - 20p \]
\[ 20p = 6,000 - x \]
\[ p = \frac{6,000 - x}{20} \]

Thus, the price function is:
\[ p = \frac{6,000 - x}{20} \]

Further, to determine the domain of this function, consider that \( x \) must be a non-negative number (\( x \geq 0 \)), and cannot exceed 6,000 to keep the price non-negative. Therefore, the domain is:
\[ 0 \leq x \leq 6,000 \]
Transcribed Image Text:The text presents a problem related to the production of table saws, involving both a price-demand equation and a cost function. **Price-Demand Equation**: The equation given for the demand is: \[ x = 6,000 - 20p \] Here, \( x \) represents the number of saws that can be sold at a price of \( \$p \) per saw. **Cost Function**: The cost function is expressed as: \[ C(x) = 98,000 + 70x \] This equation represents the total cost (in dollars) of producing \( x \) saws. **Problem (Part A)**: The task is to express the price \( p \) as a function of the demand \( x \), and to find the domain of this function. To solve Part A, we need to rearrange the price-demand equation to solve for \( p \): \[ x = 6,000 - 20p \] \[ 20p = 6,000 - x \] \[ p = \frac{6,000 - x}{20} \] Thus, the price function is: \[ p = \frac{6,000 - x}{20} \] Further, to determine the domain of this function, consider that \( x \) must be a non-negative number (\( x \geq 0 \)), and cannot exceed 6,000 to keep the price non-negative. Therefore, the domain is: \[ 0 \leq x \leq 6,000 \]
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