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Let 

f(x) = ax + 3 if x > 2

5x + 5 if -2 <= x < 2

bx - 7 if x < -2

Find a + b if the piecewise function is continuous (which means that its graph can be drawn without lifting your pencil from the paper).

 Sep 9, 2021
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a + b = 13.

 Sep 9, 2021

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