Question

For the function, f(x) = -2x 2, find f(-3).

36
18
-18
-36

Answer 1

-18

Explanation:

f(-3) = -2 (-3)²

= -2(9)

= -18

Answer 2

`\pink{ \boxed{\boxed{\begin{array}{cc} \maltese  \bf \: given \\ \\ \rm \: f(x) = - 2 {x}^(2) \\ \\ \rm \therefore \: f( - 3) = - 2 {( - 3)}^(2) \\ \rm = - 2 * 9 \\ = - 18 \end{array}}}}`