# What is the domain and range of #f(x)=sqrt(4-x)#?

##### 1 Answer

Apr 30, 2018

Dom

Range or Image of

#### Explanation:

The expresion under square root must be positive or zero (square roots of negative number are no reals numbers). So

So the domain is the set of real numbers smaller or equal than 4

In interval form

Dom

Range or Image of