Question

If f(x)=3|x-2|, what is f(5.9)? a: 9 b: 10 c: 11 d: 12

Answer 1

The answer is C.11

Explanation:

Answer 2

`|a|= \left\{\begin{array}{ccc}a&if&a\geq0\\-a&if&a \ \textless \ 0\end{array}\right\\\\f(x)=3|x-2|\\\\f(5.9)=3|5.9-2|=3|3.9|=3\cdot3.9=11.7`