Question

How do you graph `y=-1/2sqrtx` and what is the domain and range?

Answer 1

y is onlt defined if and only if x is greater than or equal to zero

Explanation:

If x=0 or x>0, y is defined.

Your range is 0 to negative infinity.

graph{-0.5(sqrtx) [-1.08, 8.92, -3.65, 1.35]}