Question

?Find the value of f(x)=-16x^3+18x^2-x+2 at x=-2

Answer 1

`f(-2) = -52`

Explanation:

Given: `f(x) = 16x^3+18x^2-x+2` at `x = -2`

`f(-2) = 16(-2)^3 + 18(-2)^2 -(-2) + 2`

`= 16(-8) + 18(4) + 2 + 2`

`f(-2) = -52`