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F(x) = x²+1 What is f(f(x))?
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4 votes
F(x) = x²+1
What is f(f(x))?

User EdgarX
by
4.3k points

1 Answer

2 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

User Le Minaw
by
3.6k points
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