Answer:
G'(x) = x + 7/4
Explanation:
y=x-7/4
x=y-7/4 ==> switch the variables x and y to get the inverse
x + 7/4 = y - 7/4 + 7/4 ==> solve for y
y = x + 7/4 ==> G'(x) = x + 7/4
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