Answer
Domain: (-$\infty$,$\infty$)
Range: [0,$\infty$)
Work Step by Step
Since it is a power function with an even degree and the variable (k) =1, its domain is all real numbers and its range is all real numbers $\geq$0
Answer: Domain: (-$\infty$,$\infty$)
Range: (-$\infty$, 0]
