F(x) = x²+1 What is f(f(x))?

Admit asked May 5, 2022

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40 votes

F(x) = x²+1
What is f(f(x))?

Admit asked May 5, 2022

by Admit

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10 votes

Answer:

f(f(x)) = x⁴ + 2x² + 2

Explanation:

if f(x) = x² + 1, then f(f(x)) is equal to:

f(x)² + 1

= (x² + 1)² + 1

= x⁴ + 2x² + 1 + 1

= x⁴ + 2x² + 2

Blehi answered May 10, 2022

by Blehi

2.9k points

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