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07-04-2021
Mathematics

contestada

f(x) = x²+1
What is f(f(x))?

Respuesta :

jacobEwing jacobEwing

07-04-2021

Answer:

f(f(x)) = x⁴ + 2x² + 2

Step-by-step 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

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