If f(x)=x+4 and g(x)= x^2-1 , what is (g*f)(x)?

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#f(x)=x^2-2 and g(x)= x-3#
#(g@f)(x)#

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Answer 1 · 2018-06-26T15:09:09

#(g@f)(x)=x^2-5#

#(g@f)(x)=g(f(x))#
#(g@f)(x)=(x^2-2)-3#
#(g@f)(x)=x^2-5#