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Let f(x) = ax+b, where a and b are real constants, and g(x) = 2x - 5. Suppose that for all x, it is true that g(f(x)) = 3x + 4. What is a + b?

 Mar 2, 2020
 #1
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As follows:

 

I'll let you take it from here.

 Mar 2, 2020
edited by Alan  Mar 2, 2020
edited by Alan  Mar 2, 2020

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