Evaluating Piecewise Functions by Graphing

Use the graph to evaluate f(5)   {HINT: when x = 5 what does y equal?}

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Use the graph to evaluate f(9)   {HINT: when x = 9 what does y equal?}

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Use the graph to evaluate f(5)

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Evaluate f(-1)

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• -5

Which graph matches?

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Read the definition of piecewise functions. How many "pieces" does f\left(x\right) have?

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Use the graph to evaluate f(2)   {HINT: think back to graphing inequalities on the number line -- should you pick value for open circle or closed circle?}

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Use the graph to evaluate f(-2)

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How much does it cost to rent the Karaoke machine for 3 days?

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• $175