38 y CHAPTER 1 Basics
x
Fig. 1.42
y
TEAMFLY x
Fig. 1.43
√
x y = x + 1
−1 0
1
0 √
1 √ 2
2 2 3
3
4 √ 5
5 √ 6
6 √ 7
Connecting the points in a plausible way gives a sketch for the graph of f
(Fig. 1.44).
EXAMPLE 1.34
2
Sketch the graph of x = y .
®
Team-Fly