Question

A function is defined by fix) = 5(2-x). What is f(-1)?O 5O 5O 15053

Answer 1

Given function:

$f(x)=5(2-x)$$f(-1)=5(2-(-1))$$\begin{gathered} f(-1)=5(2+1) \\ =5\times3 \\ =15 \end{gathered}$