Page 47 - Calculus Demystified
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Fig. 1.38 CHAPTER 1 Basics
Fig. 1.39
SOLUTION
Observe that, corresponding to x = 3, for instance, there are two y values
on the curve. Therefore the curve cannot be the graph of a function.
You Try It: Graph the function y = x +|x|.
EXAMPLE 1.30
Isthe curve in Fig. 1.40 the graph of a function?
