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

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Question 127127: Given f(x) = 3x + 1, find f(a + 3).
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+3x+%2B+1 Start with the given function


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


f%28a%2B3%29+=+3a+%2B+9+%2B+1 Distribute


f%28a%2B3%29+=+3a+%2B+10 Combine like terms