Kaylia1102 Kaylia1102

18-05-2016
Mathematics

Answered

Find f(–2) for the function f(x) = 3x2 – 2x + 7.

Verified Answer :

cassiealex0659 cassiealex0659

15-06-2018

the correct answer is 23

Answer Link

IsrarAwan IsrarAwan

14-11-2018

The correct answer is: 23

Explanation:

Given function:

\(f(x) = 3x^2 - 2x + 7\) ---- (A)

f(-2) means that we have to put x = -2 in equation (A):

\(f(-2) = 3(-2)^2 - 2(-2) + 7 \\ f(-2) = 3*4 + 4 + 7 \\ f(-2) = 12+4+7 \\ f(-2) = 23 \\\)

Hence the correct answer is: f(-2) = 23.

Answer Link

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