SOLUTION: given f(x)=3x+3, find f(a+1)

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Question 117409: given f(x)=3x+3, find f(a+1)
Answer by jim_thompson5910(21667) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=3x%2B3 Start with the given function.


f%28a%2B1%29=3%28a%2B1%29%2B3 Plug in x=a+1


f%28a%2B1%29=3a%2B3%2B3 Distribute


f%28a%2B1%29=3a%2B6 Combine like terms