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

##### 1 Answer

Jan 20, 2016

#### Answer:

Domain is all real numbers.

Range is y>-4

#### Explanation:

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.