Which of the following is a linear function? a. f (x) = 2 + x + x2 b. f (x) = 2/x + 7 c. f (x) = 2 - 7x

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.2: Linear Functions And Applications
Problem 33PS
Question

Which of the following is a linear function?

a. f (x) = 2 + x + x2

b. f (x) = 2/x + 7

c. f (x) = 2 - 7x

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