5.1k views
3 votes
Find f(–2) for the function f(x) = 3x^2 – 2x + 7

. −13
−1
1
23

the answer is 23

2 Answers

5 votes

You're correct its 23 on edge

User Jligeza
by
6.6k points
3 votes
Replace every x in the function with a -2. 3(-2)^2 - 2(-2) + 7. Simplifying gives you 3(4) + 4 + 7. Do the math now. 12 + 4 + 7 = 23
User Red Fx
by
6.2k points
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