Please explain the domain and range of a function:

f(x)= square root 6-2x

What is the domain and what is the range :confused:

Printable View

- Mar 5th 2006, 07:56 AMbatman123Domain and Range
Please explain the domain and range of a function:

f(x)= square root 6-2x

What is the domain and what is the range :confused: - Mar 5th 2006, 10:37 AMCaptainBlackQuote:

Originally Posted by**batman123**

function is defined.

The function:

is defined whenever , which is equivalent to . Thus the

domain of is the set of all real numbers .

The range of a function is the set (in this case of real numbers)of values

which can be a value taken by the function for sone in its domain.

In this case any can be written as for

some , so the range of is the set of all .

RonL - Mar 5th 2006, 10:44 AMThePerfectHackerQuote:

Originally Posted by**batman123**