If f(x)=x+7 and g(x)= 1/x , what is (f*g)(x)?

Question

#f(x)=x+7 and g(x)= 1/x#
#(f@g)(x)#

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Answer 1 · 2018-06-26T15:07:10

#(f@g)(x)=1/x+7#

When we combine the functions for our problem, we use #g(x)# as an x-value for #f(x)#:

#(f@g)(x)=f(g(x))=f(1/x)#
#(f@g)(x)=1/x+7#

Hope this helped!!