# What is the domain and range for  y = 2x^3 + 8?

Apr 20, 2018

Domain: $x =$all real numbers
Range: $y =$all real numbers
There are no divisions or square roots, so $x =$all real numbers.
Since it is a positive ${x}^{3}$ function, $y$'s end behavior is down and up, so $y =$all real numbers.