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Find f(–2) for the function f(x) = 3x^2 – 2x + 7 . −13 −1 1 23 the answer is 23

Find f(–2) for the function f(x) = 3x^2 – 2x + 7 . −13 −1 1 23 the answer is 23
asked 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

asked
User Natasha Thapa
by
8.5k points

2 Answers

5 votes

You're correct its 23 on edge

answered
User Jligeza
by
8.1k 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
answered
User Red Fx
by
7.5k points
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