To answer this, plug in -2 for x in the equation.
f(-2) = 3 - (-2)^2
First, simplify the exponent term. -2 squared is -2 times -2, which is +4
f(-2) = 3 - (+4) = 3 - 4
Subtract 4 from 3.
f(-2) = -1
That's the answer.
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