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12-11-2018
Mathematics

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if f (x)=3x and g (x)=5x-3 find gf (x)

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12-11-2018

gf(x)=g(f(x))

f(x)=3x and g(x)=5x-3

gf(x)=g(f(x))=g(3x)=5(3x)-3=15x-3

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