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If f(x) = -2x^2 - 2x, then f(-2) = ?
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If f(x) = -2x^2 - 2x, then f(-2) = ?

User Dinre
by
4.6k points

1 Answer

4 votes

Answer is -4

Step-by-step explanation:

Everywhere you see an x, replace it with (-2) as shown below. Use PEMDAS to simplify.

f(x) = -2x^2 - 2x

f(-2) = -2(-2)^2 - 2(-2)

f(-2) = -2(4) - 2(-2)

f(-2) = -8 + 4

f(-2) = -4

User Danrodlor
by
4.9k points
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