Students were asked to answer a question at institution and to assert what is most important for them to succeed. The one that response stood out from the rest was practice. Persons who generally are successful do not become successful by being born. They work hard and persistence their lives to succeeding. This is how you can achieve your goals. the following some question and answer examples that you will possibly utilize to elevate your knowledge and gain insight that will guide you to maintain your school studies.

## Question:

For what value of c is the function one-to one? {(1,2),(2,3)(3,5),(4,7),(5,11)(6,c)}

## Answer:

**Answer: any positive integer that is ^{\mathbb{Z}^+} > 11 can be the value of c **

**Explanation:**

c can not take any value less than 11 or even 11 because if we look at the graph of these points they will give the increasing line curve.

if c has value less than 11 the curve gets discontinuous by the below definition

one-one function is the function in which every element of range that is Y corresponds unique element of domain that is X. and if** it passes the vertical and horizontal line test then it the function is one-one.**

so if c takes value less than 11 the vertical line test fails and contradiction arises for one-one function.

Hence, c takes positive integer greater than 11.

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