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Find the domain of a function

arl2267

New member
Nov 6, 2012
15
Find the domain of the function f(x)= (3x+5)1/2.

Not quite sure how to even start this...
 
Last edited by a moderator:

MarkFL

Administrator
Staff member
Feb 24, 2012
13,775
Hint: To get a real value for the function, the radicand (expression under the radical) cannot be negative. So solve:

$\displaystyle 0\le3x+5$