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
For $y$ = $\sqrt{x}$ - $3$
When $x = 0$, $y = -3$
When $x = 1$, $y = -2$
When $x = 4$, $y = -1$
When $x = 9$, $y = 0$
When $x = 16$, $y = 1$
When $x = 25$, $y = 2$