Question

what's the domain of x^2+2x-8

Answer 1

ANSWER

Range:

$[-9,\infty)$

Domain:

$(-\infty,\infty)$

EXPLANATION

Given:

$x^2+2x-8$

Note: All real numbers fall under the expression's domain, with the exception of cases where it is undefined. In this instance, the expression is defined (there is no real number that makes the expression undefined). However, the collection of all acceptable y values constitutes the range.