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What is the domain of the function $w(x) = \sqrt{x - 2} + \sqrt[3]{x - 2}$? Express your answer in interval notation.

 Apr 8, 2021

Best Answer 

 #1
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The values of x must not cause a sqrt of a negative number     a cube root of a negative is OK

       x >= 2         or     [2, + inf)       ( not that all of these values of 'x' will produce a pos cubrt also....just convenient)

 Apr 8, 2021
 #1
avatar+31584 
+2
Best Answer

The values of x must not cause a sqrt of a negative number     a cube root of a negative is OK

       x >= 2         or     [2, + inf)       ( not that all of these values of 'x' will produce a pos cubrt also....just convenient)

ElectricPavlov Apr 8, 2021

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