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If f(x) = 3x -7 and g(x) = 2x + 7, find f(3) – g(3).
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If f(x) = 3x -7 and g(x) = 2x + 7, find f(3) – g(3).

User Akiba
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f(3) = 3(3) -7 = 2\\g(3) = 2(3) + 7 = 13\\f(3) - g(3) = 2 -13 = -11

User Zigojacko
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