In this chapter, we review all the functions necessary to study calculus. We define polynomial, rational, trigonometric, exponential, and logarithmic functions.

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Toward the end of the twentieth century, the values of stocks of internet and technology companies rose dramatically. As a result, the Standard and Poor...

Review Exercises True or False? Justify your answer with a proof or a counterexample.

When an object moves along a curve—or curvilinear path—in a given direction and in a given amount of time, the position of the object in the plane is gi...

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Identities enable us to simplify complicated expressions. They are the basic tools of trigonometry used in solving trigonometric equations, just as fact...