10. Given f(x) = 3x2 – 3x + 5 and g(x) = -7x + 4, find (f - g)(x). A. 3x2 - 10x + 9 B. 3x2 + 4x + 9 C. 3x2 - 10x + 1 D. 3x2 + 4x + 1

asked Jul 1, 2022 190k views

11 votes

10. Given f(x) = 3x2 – 3x + 5 and g(x) = -7x + 4, find (f - g)(x).

A. 3x2 - 10x + 9
B. 3x2 + 4x + 9
C. 3x2 - 10x + 1
D. 3x2 + 4x + 1

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Explanation:

(f - g)(x)

= f(x) - g(x)

= (3x² - 3x + 5) - (-7x + 4)

= 3x² - 3x + 5 + 7x - 4

= 3x² + 4x + 1. (D)

BAndonovski answered Jul 6, 2022

3.8k points

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