solve f(a+1)6-3(a+1)

Question

Instead of it being f(x) its f(a+1) so (a+1) is plugged into problem.

Answer 1

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6* f av (a+1)=3*(a+1) ????????????????

so f(a+1)=(3/6)*(a+1)...=0.5*(a+1)

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Answer 2

Given f(a+1)=6-3(a+1)
f(a+1)=6-3a-3
f(a+1)=3-3a
f(a+1)=3(1-a)

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