Answer:
f(3) - g(2) = 9
Explanation:
f(x) - g(x)
f(x) = 7x - 6
g(x) = 3x
7x - 6 - 3x
f(3) - g(2)
7(3) - 6 - 3(2)
21 - 6 - 6 = 15 - 6 = 9
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