Suppose that $f(x)$ is your height at age $x$. Determine whether it is one to one.
We know that a person's height remains constant after a certain age, so there are more than two years at which a person has the same height. Thus, $f(x)$ is not a one to one
Thursday, March 28, 2013
Single Variable Calculus, Chapter 7, 7.1, Section 7.1, Problem 16
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