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# Graphing the Functions

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

tertre  Nov 29, 2018

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$$7 = 3 f(8)+1\\ 2 = f(8)\\ (x,y) = (8,2)\\ 8+2=10$$

Rom  Nov 29, 2018
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$$7 = 3 f(8)+1\\ 2 = f(8)\\ (x,y) = (8,2)\\ 8+2=10$$