If f(x) = 4 – x^2 and g(x) = 6x, which expression is equivalent to (g – f)(3)? A: 6 – 3 – (4 + 3)^2 B: 6 – 3 – (4 – 3^2) C: 6(3) – 4 + 3^2 D: 6(3) – 4

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If f(x) = 4 – x^2 and g(x) = 6x, which expression is equivalent to (g – f)(3)? A: 6 – 3 – (4 + 3)^2 B: 6 – 3 – (4 – 3^2) C: 6(3) – 4 + 3^2 D: 6(3) – 4 – 3^2

asked Dec 15, 2017 204k views

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If f(x) = 4 – x^2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

A: 6 – 3 – (4 + 3)^2

B: 6 – 3 – (4 – 3^2)

C: 6(3) – 4 + 3^2

D: 6(3) – 4 – 3^2

Mathematics
high-school

NSTJ asked

by NSTJ

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1 Answer

4 votes

i hope this helps you

g (3)-f (3)

x=3

6x-(4-x^2)

6 (3)-[4-(3)^2]

6 (3)-4+3^2

If f(x) = 4 – x^2 and g(x) = 6x, which expression is equivalent to (g – f)(3)? A: 6 – 3 – (4 + 3)^2 B-example-1

Pratik Bhalodiya answered Dec 19, 2017

by Pratik Bhalodiya

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