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put this solution on YOUR website!f(x) =4x,,,,g(x) =x
.
remember the slope intercept form,,y=mx +b
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slope of f(x) =4/1,,,,,and slope of g(x) = 1/1
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therefore for a move of one in x direction, f(x) grows to 4, but g(x) grows to 1
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Hence the 4/1 growth ratio is true.