Concept explainers
Sketch the graph of . (pp. 22-23)
To graph: Graph the function .
Answer to Problem 2AYU
Explanation of Solution
Graph the function using hand.
Intercept and symmetry test:
1. Letting , we obtain a 0 in the denominator, which is not defined. It can be concluded that there is no . Letting , we get the equation , which has no solution. It can be concluded that there is no . Therefore, the graph of does not cross or touch the coordinate axes.
2. For , replacing by yields , which is not equivalent to . For , replacing by yields , which is not equivalent to . For origin, replacing by and by yields , which is equivalent to . The graph is symmetric only with respect to the origin.
Giving the values for , we will get the corresponding values.
Chapter 2 Solutions
Precalculus Enhanced with Graphing Utilities
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