The composition of two functions f and g is the new function we get by performing g first, and
then performing f:
f∘g(x)=f(g(x))=f(3x+2)==2⋅(3x+2)+3=2⋅3x+2⋅2+3==6x+7.f\circ g(x)=f(g(x))=f(3x+2)=\\ =2\cdot(3x+2)+3=2\cdot3x+2\cdot2+3=\\ =6x+7.f∘g(x)=f(g(x))=f(3x+2)==2⋅(3x+2)+3=2⋅3x+2⋅2+3==6x+7.
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