FA- Sequence and Function

Which of the following represent a mapping? 

(a) {(4, 2); (5, 3); (7, 5); (9, 7)} 

(b) {(2, 8); (3, 12); (4, 16)} 

(c) {(3, 7); (3, 11); (4, 9); (5, 11)} 

(d) {(1, 2); (2, 3); (3, 4); (4, 5)} 

(e) {(1, 3); (1, 5); (2, 5)} 

• All

• a, b, c, d

• a, b, d

• b. c. d

Determine which choice best describes the rule of the pattern

9, 16, 23, 30

• add 5

• subtract 7

• add 7

• subtract 5

Complete the pattern

36, 32, 28, 24

• 40

• 20

• 22

• 38

Starting from 72 and using the rule of subtracting 9 each time, write the first three terms of the sequence.

• 72, 80, 89

• 72, 79, 88

• 72, 63, 54

• 63, 54, 45

Subtract 11 and write the next three terms of the pattern

88, 77, -, -, -

• 60, 49, 38

• 61, 50, 39

• 66, 55, 44

• 65, 55, 45

Lucy was reading a book. She read 10 pages on the first day, 25 pages on day 2, 40 pages on day 3, 55 pages on day 4. How many pages will she read on day 5 if this pattern continues?

• 60

• 65

• 70

• 75

Find out what number is added or subtracted to get the next number to fill in the missing places

11, _, 37, _, _, 76, 89

(write only the missing three numbers)

On day one, 10 students registered for a dance competition. On day two, 18 students registered, on day three, 26 students registered. Observe the pattern and find out how many students registered on day 5

• 34

• 36

• 42

• 44

Find the incorrect number in the following series

7, 15, 21, 28, 35

• 7

• 15

• 21

• 28

Emma is collecting stickers. She collected 5 stickers on the first day, 10 stickers on day 2, 15 stickers on day 3, and 20 stickers on day 4. How many stickers will she collect on day 6 if this pattern continues?

• 25

• 30

• 35

• 40