Xian and his cousin Kai both collect stamps. Xian has 60 stamps, and Kai has 76 stamps. The boys recently joined different stamp
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(f o g)(x)=f(g(x))
so
h(x)=f(g(x))
hmm, see the differences
x+7=g(x)+1
x+6=g(x)
g(x)=x+6
so
h(x)=f(g(x))
hmm, see the differences
x+7=g(x)+1
x+6=g(x)
g(x)=x+6