Question

find the value of f (-1) and f(2) if f(x) =3x^3-2x+5​

Answer 1

Answer:

f(-1) = 4

f(2) = 25

Step-by-step explanation:

Substitute f(-1) and f(2) into f(x)

3(-1)³-2(-1)+5 ≡ 4

3(2)³-2(2)+5 ≡ 25

Hope that helps.

Answer 2

Answer:

1st case

3(-1)³-2(-1)+5=-3+2+5=4

2nd case

3(2)³-2(2)+5=25

HOPE IT HELPS YOU