Chapter 1.1, Problem 35E

In Exercises 31-36, sketch the graph of the given/unction, evaluate the given expressions, and then use technology to duplicate the graphs. Give the technology formula. [HINT: See Example 2.)

$f\left(x\right)=\{\begin{array}{cc}x& \text{if}-1<x\le 0\\ x+1& \text{if}0<x\le 2\\ x& \text{if}2<x\le 4\end{array}$

a. $f\left(0\right)$

b. $f\left(1\right)$

c. $f\left(2\right)$

d. $f\left(3\right)$

[Hint: See Example 3]