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If f ( x ) = 3x^2 + x - 2, then f ( -2 ) =
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If f ( x ) = 3x^2 + x - 2, then f ( -2 ) =

User Elan
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2 Answers

4 votes
Given ,


f(x) = 3x^(2) + x -2

Now ,


f(-2) = 3(-2)^(2) +(-2)-2

=> f(-2) = 8-4 = 4
User Sephen
by
3.2k points
7 votes

Answer:

First we substitute -2 into .x

3(-2)^2 + (-2) - 2

12 - 4 = 8

f(-2) = 8 :D

Explanation:

User Jonathan Carroll
by
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