Algebraeasy · Past Paper
If P(x) = x^2 - 1, find P(P(1)).
A0
B-1
C1
D2
✓ Correct Answer: B — -1
P(1) = 1^2 - 1 = 0. Then P(P(1)) = P(0) = 0^2 - 1 = -1.
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