SOLUTION: f(x)= 5x+2....find f(3)

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Question 126831: f(x)= 5x+2....find f(3)
Answer by solver91311(6137) About Me  (Show Source):
You can put this solution on YOUR website!
To find f(a) given f(x), just substitute the value a for every instance of x in the function and do the arithmetic.

f%28x%29=5x%2B2, so f%283%29=5%283%29%2B2. I'll let you finish the arithmetic.