# 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 ->  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

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 Algebra: Functions, Domain, NOT graphing Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Functions 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(28536)   (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. -------------------------------------------------------------------------------------------------------------- If you need more help, email me at jim_thompson5910@hotmail.com Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you Jim --------------------------------------------------------------------------------------------------------------