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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?

 Jan 27, 2022
 #1
avatar+23200 
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In your statement of the problem, f(4) is undefined.

 Jan 27, 2022
 #2
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Gino is right,   

You have copied the question incorrectly.

Melody  Jan 30, 2022

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