Answer
a) Refer to Graph I for the x and y tabulated values.
b) Refer to Graph I for the graphing.
Work Step by Step
When $x = 0$, $y = 2$
When $x = 1$, $y = 3$
When $x = -1$, $y = 3$
When $x = 2$, $y = 6$
When $x = -2$, $y = 6$
When $x = 3$, $y = 11$
When $x = -3$, $y = 11$