REPRESENTATION OF FUNCTIONS

It is the set of ordered pairs.

• RELATION

• DOMAIN

• FUNCTION

• RANGE

It is a type of relation wherein one domain corresponds to one range only.

• MANY-TO-ONE

• ONE-TO-MANY

• ONE-TO-ONE

• MANY-TO-MANY

It is a special type of relation wherein one element in the domain corresponds to exactly one element in the range.

• DOMAIN

• RANGE

• RELATION

• FUNCTION

Which of the following types of relations are considered to be functions?

• ONE-TO-ONE AND MANY-TO-ONE

• ONE-TO-ONE AND MANY-TO-MANY

• ONE-TO-MANY AND MANY-TO-ONE

• ONE-TO-MANY AND MANY-TO-MANY

To determine if the sketch of the graph is a function or not, what test are we going to use?

• Horizontal Line Test

• Vertical Line Test

• Diagonal Line Test

• Curvilinear Line Test

Which of the following functions is considered one-to-one?

• Linear Function

• Quadratic Function

• Circular Function

• Absolute Value Function

What is the graph of a quadratic function?

• Straight Line

• Curvilinear

• Parabola

• Ellipse

Which of the following functions is considered to be a constant function?

• $y\ =\ x^{2\ }+1$

• $y\ =\ x$

• $y\ =\ 2x-5$

• $y=\ 2$

Refer to the following statements.

STATEMENT 1: The axis of symmetry is present on quadratic functions.

STATEMENT 2: A constant function is a one-to-one function.

• Only Statement 1 is correct.

• Only Statement 2 is correct.

• Both statements are correct.

• Neither of the statements are correct.

The profit of a t-shirt store is equal to the revenue of the shirt less its expenses. Suppose that each t-shirt has a selling price of P150.00, and the operating cost for all t-shirts, regardless of the number is P1,000.00. Represent the following situation as a function. Let f(x) be the profit of the store.

•  $f\left(x\right)\ =1000x\ +150$  

•  $f\left(x\right)\ =\ 1000x\ -150$  

•  $f\left(x\right)\ =\ 150x-1000$  

•  $f\left(x\right)\ =\ 150x\ +1000$