SOLUTION: Please help me solve this problem. f(x) = 2x + 7; find f(3)

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Question 547539: Please help me solve this problem.
f(x) = 2x + 7; find f(3)

Answer by KMST(5328) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+2x+%2B+7
To find f%283%29 we just write 3 instead of x and calculate
f%283%29+=+2%2A3+%2B+7=6%2B7=13