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A manufacturer has a setup cost of $2000 for the production of a new football. The cost of labor and materials for producing each unit is $15.
(a) Write a rational expression that models the average cost per unit when x units are produced.
(b) Find the domain of the expression in part (a).
(c) Find the average cost per unit when 300 units are produced.
Review: 7.1b Mini-Quiz
Class Greeting
Chapter 7Rational Expressions and Equations
Lesson 7-2aMultiplying Rational Expressions
Objective: Students will learn how to multiply rational expressions.
Answer:
1 1 1
1 1 2 1 1
d 2 q
2 r 3
Find
c, d, q, and r
Answer:
1
1
1
x 2
Find
x
Find
1
1
1
1
Answer: b
Answer:
Answer:
a. Find
b. Find
n
s and k
a. Find
b. Find
Answer:
Answer:
y
c
Lesson Summary: Objective: Students will learn how to multiply rational expressions.
Preview of the next Lesson: Objective: Students will learn how to divide rational expressions. Students will solve real world word problems involving multiplying and dividing rational expressions.
Homework397+398/1-43 odd
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