32.3k views
10 votes
Can someone help me out please and be honest?

Can someone help me out please and be honest?-example-1
User IVN
by
3.7k points

2 Answers

11 votes

Answer:

f(-3) = -360

Explanation:

f(x) = 2x^3 + 4x^2 = f(-3)

x = -3

(2 * -3)^3 + (4 * -3)^2

2 * -3 = -6

-6^3 = -6 * -6 * -6 = -216

4 * -3 = -12

-12^2 = -12 * -12 = -144

-216 + (-144) = -360

User Mattb
by
3.7k points
6 votes

The Answer would be 18

User Firdavs Kurbonov
by
3.2k points