SOLUTION: Please help me find the domain and range of: f(x) = 3x^2-1

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Question 814830: Please help me find the domain and range of:
f(x) = 3x^2-1
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
A little bit of qualitative knowledge about parabola equations would give you the necessary information. The vertex is a minimum, at (0,-1); so the range is (-1, +oo) using "Interval Notation". Domain is all real numbers.