👉 Learn how to graph a tangent function. To graph a tangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the ...

👉 Learn how to graph piecewise functions. A piecewise function is a function which has more than one sub-function for ...

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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Getty Images The IMF promotes global ...