Question

For f(x) = 2x - 3x², evaluate f(-3).

A. -33

B. 33

C. -21

D. 6

Answer 1

`\huge\begin{array}{ccc}f(-3)=-33\to\boxed{A.}\end{array}`

Value of the function.

We have the function:

`f(x)=2x-3x^2`

We need

`f(-3)=?`

Substitute
`x=-3` to
`f(x)`:

`f(-3)=2\cdot(-3)-3\cdot(-3)^2=-6-3\cdot9=-6-27=-33\to\boxed{A.}`