SOLUTION: How would you find the value of f(x) when f(x) = |3x+1| ;f(-5) ? And how do you know if said equation is linear?

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Question 339984: How would you find the value of f(x) when f(x) = |3x+1| ;f(-5) ? And how do you know if said equation is linear?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Replace every x with -5 in your absolute value equation and simplify.
f(-5) = |3(-5)+ 1|
f(-5) = |-15 + 1|
f(-5) = |-14|
f(-5) = 14
Done!