Sequences and Functions 2

Multiple Choice

Complete the sequence 1,3,5,7,_ , _, _

• 9, 11, 13

• 8, 9, 10

• 11, 13, 17

• 11, 13, 15

Multiple Choice

256, 128, 64, 32, ...

How do you know what's next?

• multiply by 2

• subtract 2

• add 2

• divide by 2

Multiple Choice

How many circles would be in picture 5?

• 13 circles

• 14 circles

• 15 circles

• 16 circles

Multiple Choice

A sequence has the first term 3 and term to term rule is adding 4 to the previous term.

What is the 4th term?

• 3

• 11

• 15

• 16

Multiple Choice

A sequence has n-th term rule = 2n - 1.

What is the 5th term?

• 5

• 8

• 9

• 10

Multiple Choice

A function has rule 'add 2'.

What is the output when the input is 4?

• 2

• 4

• 6

• 8

Multiple Choice

What rule is shown in the diagram?

• add 2

• add 5

• add 7

• add 9

Solution 1

​mapping diagram:

Multiple Choice

Using this function machine, what is the missing number?

• 9

• 15

• 45

• 54

Multiple Choice

Select the correct rule for this function machine.

• add 4

• subtract 5

• divide 2

• add 5

Multiple Choice

Select the correct rule for this function machine.

• multiply by 4

• add 3

• add 4

• subtract 3

Multiple Choice

Select the correct rule for this function machine.

• multiply by 2

• divide by 3

• subtract 4

• subtract 6

Multiple Choice

Using the same mapping as in the diagram, what number would 3 map to?

• 2

• 3

• 4

• 5

Multiple Choice

If 1 maps to –2 and 7 maps to 4, find the number that 11 maps to.

• 3

• 5

• 8

• 14

Multiple Choice

What is the output of this function machine?

• 10

• 15

• 22

• 35

Multiple Choice

Select the correct function for this table of values.

• y = x + 2

• y = 3x

• y = 2x + 1

• y = 3x - 2