Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-2 Patterns and Linear Functions - Standardized Test Prep: 24

Answer

The equation is y=-50x+62250 The graph is shown in the screenshot
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Work Step by Step

The equation is y=-50x+62250 because when x is 0, the amount of spray left is 62250 mg which is the y-interecept. the slope is 50 negative because the amount of spray left after every spray is decreased by 50 mg as after one spray the amount of spray is 62200 mg and the amount decreases by 50 every time subsequently.
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