Question

Y = X3 – X –1 if x = -1, Y = ?

Answer 1

Y = ( -1 ).3 - ( -1 ) - 1

Y = -3 + 1 - 1

Y = -3

Answer 2

-3

hope this helps!

Explanation:

(-1)3 - (-1) - 1 =

-3 - (-1) - 1 =

-2 - 1 = -3