# Tutor profile: Sumayyah S.

## Questions

### Subject: Pre-Calculus

Is there a function where limit does not exist but function is continuous?

No. Limit is the most important condition for a function to be continuous. But vice versa is true, are functions where limit exists but function is not continuous.

### Subject: Pre-Algebra

What are the properties of group? And why is group theory taught to applied Maths students?

Group theory is so simple that is can be extracted when solving the simple equation: 2x+9=3 You do not need anything apart from the simple solution of this equation to understand the basic concept of group theory

### Subject: Basic Math

What is the relationship between 3i and 5i? Which is greater? or are they equal?

Ordering does not exist in Complex Numbers, the reason is well defined and interesting. We simple prove "i" is neither greater than zero, nor less than or equal to zero.

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