Question

4 MINSSSS ANSWER ASAP

Evaluate -3x^3 - 4x for x = -1.

A) 1
B) 7
C) -1

Answer 1

-3x^3 - 4x

x = -1

-3(-1)^3 - 4(-1)

(-1)^3 = (-1) x (-1) x (-1) = -1

-3 x -1 = 3

-4 x -1 = 4

3 - 4 = -1


-1 is your answer

hope this helps