# What is the domain and range of #f(x) =sqrt(8.5 − 3 x)#?

##### 1 Answer

Oct 26, 2015

Here,

The function f(x) is only defined when 8.5-3x

SO,

-3x

Multiplying both sides with - .

or, 3x

or, x

**So domain of F(x) is x #<= 8.5/3 #**

Now since you can only put value x

**So the range of F(x) is f(x) #>=# 0.**