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Howard Bauer
Mathematics
17 August, 16:32
F (x) = x² + 1
What is f (f (x)) ?
+1
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2
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Maggie Chambers
17 August, 16:36
0
f (f (x)) = (x^4) + 2 (x^2) + 2
Step-by-step explanation:
f (f (x)) = f (x), with the equation plugged into itself.
That means that if f (x) = x^2 + 1, then:
f (f (x)) = (x^2 + 1) ^2 + 1 - ->
f (f (x)) = x^4 + 2x^2 + 1 + 1 - ->
f (f (x)) = (x^4) + 2 (x^2) + 2
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Rhett Lewis
17 August, 16:49
0
x⁴ + 2x² + 2
Step-by-step explanation:
f (x) = x² + 1
f (f (x)) = (f (x)) ² + 1
f (f (x)) = (x² + 1) ² + 1
f (f (x)) = x⁴ + 2x² + 1 + 1
f (f (x)) = x⁴ + 2x² + 2
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