The correct answer is: 23
Explanation:
Given function:
[tex]f(x) = 3x^2 - 2x + 7[/tex] ---- (A)
f(-2) means that we have to put x = -2 in equation (A):
[tex]f(-2) = 3(-2)^2 - 2(-2) + 7 \\ f(-2) = 3*4 + 4 + 7 \\ f(-2) = 12+4+7 \\ f(-2) = 23 \\[/tex]
Hence the correct answer is: f(-2) = 23.
