Answer:
f(-3) = -18
Step-by-step explanation:
f(-3) = 2(-3)^3+4(-3)^2
When you are given a number for the (x) in f(x), that number is going to replace all the current xs in the equasion.
2(-3)^3 = -54
4(-3)^2 = 36
Then just add them together
f(x) = -54 + 36 = - 18
