SOLUTION: f(x)=2x^2-16x-7 I found the vertex which is (4, -39) I am looking to find the domain of "f" I'm not understanding how this is obtained.

Algebra ->  Functions -> SOLUTION: f(x)=2x^2-16x-7 I found the vertex which is (4, -39) I am looking to find the domain of "f" I'm not understanding how this is obtained.      Log On


   

Question 631649: f(x)=2x^2-16x-7
I found the vertex which is (4, -39)
I am looking to find the domain of "f" I'm not understanding how this is obtained.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You can plug any number in for x and get some number out for f(x) (or y)

So the domain is the set of all real numbers.

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