Question

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

Answer 1

Answer:

$f(-2) = 23$

Step-by-step explanation:

Step 1:  Set x to -2  and solve

$f(-2) = 3x^2 - 2x + 7$

$f(-2) = 3(-2)^2 - 2(-2) + 7$

$f(-2) = 3(4) + 4 + 7$

$f(-2) = 12 + 4 + 7$

$f(-2) = 23$

Answer:  $f(-2) = 23$