Domain question?

EvanB77

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Aug 21, 2012
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I need to find the domain for this problem I believe its all real numbers but am I right?

f(x)=(3x+5)​1/2
 
I need to find the domain for this problem I believe its all real numbers but am I right?

f(x)=(3x+5)​1/2

The 1/2 power means this expression is a square root. What sorts of values can you NOT take the square root of? If in doubt, try a few on your calculator.
 
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