keagan1345 keagan1345

28-09-2017
Mathematics

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If f(x)=7x-3 and g(x)=x^2, what is (g•f)(1)

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ghanami ghanami

29-09-2017

hello :
If f(x)=7x-3 and g(x)=x²,
(g•f)(1)= g(f(1))
bit : f(1) =7(1)-3 = 4
(g•f)(1)= g(f(1)) = g(4) = 1² = 16

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