The concept of Functions

Quiz by Chonalyn Tecson

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### Measures 1 skill fromGrade 11General MathematicsPhilippines Curriculum: SHS Core Subjects (MELC)

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- Q1
Which of the following sets of is a function?

{(1,1), (2,4), (3,9), (4, 16)}

{(1,3), (1,4), (3,6), (4, 8)}

{(1,1), (1,-1), (4,2),(4, -2)}

{(1,1), (2,4), (3,9), (2, 16)}

30sM11GM-Ia-1 - Q2
Which graph in the image is not a function?

D

B

C

A

30s - Q3
Which of the following diagram is not a Function

none of the above

30s - Q4
Which of the following real life relation is not a function?

The assigned teacher in General Mathematics and her 30 students.

The price paid for a pizza depends upon the size of the pizza.

The distance travelled by a car in depends on how fast the car was going and on how long it has traveled.

The length of the persons shadow on the floor in relation to their height.

30s - Q5
What is a function?

Set of inputs and outputs

Inputs have different outputs every time

Set of x-values and y-values

Every input has only ONE output

30s - Q6
What is the value of f(2) if f(x) = x

^{2 }+ 5 ?^{ }9

1

7

5

30s - Q7
If f(x) = 2x + 1, what is the value of f(-1)?

-3

3

1

-1

30s - Q8
Find f(2) if f(x) = 3x + 4.

7

10

3

4

30s - Q9
Evaluate g(x) = 1 - x + x

^{2 }when x = 5^{ }31

21

11

19

30s - Q10
What is the value of f(1) if f(x) = x

^{2 }+ 5 ?^{ }6

4

5

1

30s