What is the domain and range of $f(x) = x^2 - 2x - 3$ ?

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Answer 1 · 2016-01-20T15:02:13

Domain is all real numbers.
Range is y>-4

Domain is almost all real numbers.

Range is y>-4 because all the points of the graph are above the -4 y-line and never below it.

What is the domain and range of f(x) = x^2 - 2x - 3 f(x) = x^2 - 2x - 3?