iamangell iamangell

18-10-2022
Mathematics

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I know the right answer is B)
but can someone explain how to solve this step by step please

f(x) = x² +1
(fog)(x) = 2x²-1
f(4) = ?

A) 4
B) 5
C) 17
D) 31

I know the right answer is B but can someone explain how to solve this step by step please fx x 1 fogx 2x1 f4 A 4 B 5 C 17 D 31 class=

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