Question

f(x)=-1/3(5-x),what is f(-16)

Answer 1

We have the function

$f(x)=-\frac{1}{3}(5-x)$

then

$\begin{gathered} f(-16)=-\frac{1}{3}(5-(-16)) \\ =-\frac{1}{3}(5+16) \\ =-\frac{1}{3}(21) \\ =-\frac{21}{3} \\ =-7 \end{gathered}$

Therefore f(-16)=-7.