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Question 57·Hard·Algebra

The table gives values of a linear function ff.

xxf(x)f(x)
−11-112929
5555
1717−13-13

For every value of xx, a function gg is defined by

g(x)=2f(3x−14)+7g(x)=2f\left(\frac{3x-1}{4}\right)+7

Which choice gives an equation for gg?