Answer:
f(-3) = 42
Step-by-step explanation:
f(x) =3x^2 - 4x + 6
Let x = -3
f(-3) = 3(-3)^2 - 4(-3) + 6
f(-3) = 3(9) - 4(-3) + 6
negative(-) x negative(-) = Positive(+)
f(-3) = 27 + 12 + 6