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Suppose that a and b are positive real numbers, and let

f(x) = a/b*x if x <= -4

f(x) = abx^2 if x > 4

If f(-4) = -60/7 and f(4) = 3120, what is a + b?

 Jul 1, 2021
 #1
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f (4)  isn't  defined  in this piecewise function

 

cool cool cool

 Jul 1, 2021

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