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Given that the point (4,7) is on the graph of y=3f(2x)+1 , there is one point that must be on the graph of y=f(x) . What is the sum of coordinates of that point?

 Mar 1, 2020
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If x = 2 and y = 7, then 7 = 3f(4) + 1, so so f(4) = 2.  The point on the graph is (2,2), and the sum is 4.

 Mar 1, 2020

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