Question

Given f (x) = 5 (2 - x) what is the value of f (-2)

Answer 1

`\begin{gathered} \text{Given;} \\ f(x)=5(2-x) \\ \text{What is the value of f(-2)} \\ f(-2)=5(2-\lbrack-2\rbrack) \\ f(-2)=5(2+2) \\ f(-2)=5(4) \\ f(-2)=20 \end{gathered}`

The correct answer is option B (which is 20)