SOLUTION: Given f(x)=2x-5, find f(a+3)

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Question 122187: Given f(x)=2x-5, find f(a+3)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

f%28x%29=2x-5 Start with the given function.


f%28a%2B3%29=2%28a%2B3%29-5 Plug in x=a%2B3. In other words, replace each x with a%2B3.


f%28a%2B3%29=2a%2B6-5 Distribute


f%28a%2B3%29=2a%2B1 Combine like terms