rx State the Domain and the Range in Interval Notation 2x2

r(x) =

State the Domain and the Range in Interval Notation.

Solution

Solution:- r(x) = 2 x² +16 x - 18

Domain: All real numbers

In interval notation

domain : (- inf , inf )

Range: [ -50, inf)

r(x) = x² +x -6

domain: (-inf, inf)

Range: [ -6.25 , inf)