# How do you find the domain and range of #y = - sqrt(1 - x)#?

##### 1 Answer

May 12, 2018

Domain

Range

#### Explanation:

For the domain part, clearly the part inside the square root must be positive or zero that is

So domain

Clearly as the value of x approaches -∞ that of y also approaches -∞

And if x=1, y=0

Therefore domain

Range

Hope it helps!!