SOLUTION: The problem is f (x)=3x+2 find f (5) and give the ordered pair. I'm doing this on the computer and the box says under it "follow this format: (2,2) I thought it would be (0,10) but

Question 1036179: The problem is f (x)=3x+2 find f (5) and give the ordered pair. I'm doing this on the computer and the box says under it "follow this format: (2,2) I thought it would be (0,10) but it says I'm wrong help please??
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
if the equation if f(x) = 3x + 2, then f(5) would be equal to 3*5 + 2 = 17.
the coordinate point would be (5,17).

when you say f(x) = 3x+2, x is the argument and f(x) is the result of applying the argument to the equation.

if you then say find f(5), you are replacing the argument of x with the argument of 5 and applying that to the equation.

f(x) = 3x + 2
your coordinate point is (x, f(x)).
f(5) = 3*5 + 2
your coordinate point is (5,17).

here's a tutorial on functional notation that might help you.

http://www.regentsprep.org/regents/math/algtrig/atp5/EvaluatingFunctions.htm

it cam from here http://www.regentsprep.org/regents/math/algtrig/atp5/indexATP5.htm

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