Hi, Annie.
Okay, first find f(-2):
f(x) = x2 + 2x + 3
f(-2) = 4 - 4 + 3 = 3
Now, plug in 3 into f(x) which will give you f(f(-2))
f(3) = 9 + 6 + 3 = 18
Annie X.
asked 09/24/18
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Annie X.
09/26/18