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Engineering Mathematics Help


Rocky2013

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Actually finding the domain of a function is pretty easy. You don't have to calculate the derivative of the functions just only smart moves.

First logarithmic function only works for positive values except the domain is complex numbers. So this is more than enough for your question.

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I think you should focus on the bigger picture.

 

You are asked to sketch the curve.

It is therefore reasonable to assume that you have been taught some methods and procedures for doing this.

 

You should tell us what you have achieved in this respect.

 

Definition and use of the term 'domain' are not introduced until university in some countries, although the idea is very simple.

 

The domain is that part of the x axis where the equation makes can be evaluated to provide a y value.

 

So follow your procedures for curve sketching and it will lead you to the rest of the answer for the first part.

Edited by studiot
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