7. Write a formula for the piecewise defined function graphed below. Use correct piecewise defined function notation in your answer. 10

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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7. Write a formula for the piecewise defined function graphed below. Use correct piecewise defined function
notation in your answer.
10
8. A water company charges $5 per unit for the first 10 units of water used in a month. If more than 10 units of
water are used, each additional unit cost $7 per unit.
Find a formula for a piecewise defined function C(x) that gives the cost of using x of water in a month. Use
proper piecewise defined function notation in your answer.
Page 6 of 13
Transcribed Image Text:7. Write a formula for the piecewise defined function graphed below. Use correct piecewise defined function notation in your answer. 10 8. A water company charges $5 per unit for the first 10 units of water used in a month. If more than 10 units of water are used, each additional unit cost $7 per unit. Find a formula for a piecewise defined function C(x) that gives the cost of using x of water in a month. Use proper piecewise defined function notation in your answer. Page 6 of 13
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