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4th Edition

James Stewart

Publisher: Cengage Learning

ISBN: 9781337687805

Chapter 1.6, Problem 13E

To determine

Whether the function which reflects the height of the football at *t* seconds after kickoff.

Expert Solution

The function is not a one-to one function.

The given function is,

It is known that the football will reach ground in few seconds after kickoff. And hence the foot ball will reach the same height at two different times. Thus, the graph of the function

From Figure 1, it is observed that the horizontal line intersects the curve at two points, which means it fails the horizontal line test. Thus, it can be concluded that the function