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What is the domain of the function w(x)=x2+3x3 ? Express your answer in interval notation.

 Mar 15, 2018
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w(x)=x2+3x3 

 

The domain is that which is the most restrictive for both parts of the function

The second term  has a domain of all real numbers because we can take the cube root of all real numbers

 

However.....the frist term is only defined from  [2, inf)

So.....this is the domain

 

 

cool cool cool

 Mar 15, 2018

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