# Find the domain of a function

#### arl2267

##### New member
Find the domain of the function f(x)= (3x+5)1/2.

Not quite sure how to even start this...

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#### MarkFL

##### Administrator
Staff member
Hint: To get a real value for the function, the radicand (expression under the radical) cannot be negative. So solve:

$\displaystyle 0\le3x+5$