Question

Can anybody help me out with this problem? I don't need a huge explanation but a very brief explanation on how you got the answer. Thanks!

Answer 1

4

13

8

Explanation:

We can calculate the value in each case by means of the graph, just like this:

Therrefore:

`\begin{gathered} f(0)=4 \\ f(3)=13 \\ f(-2)=8 \end{gathered}`