Fun with Functions: Solve Input-Output Problems!

If a function takes a number and doubles it, what is the output when the input is 4?

• 8

• 10

• 12

• 6

A bakery sells cupcakes for $2 each. If you buy 5 cupcakes, what is the total cost?

• $20

• $15

• $5

• $10

If a function adds 3 to the input number, what is the output when the input is 10?

• 15

• 10

• 13

• 7

A car travels 60 miles per hour. How far will it travel in 3 hours?

• 150 miles

• 180 miles

• 240 miles

• 120 miles

If a function subtracts 5 from the input, what is the output when the input is 12?

• 7

• 8

• 10

• 6

A farmer has 10 apples and picks 5 more. If he gives away 3, how many apples does he have left?

• 10

• 8

• 15

• 12

If a function multiplies the input by 4, what is the output when the input is 6?

• 30

• 20

• 24

• 18

A movie theater charges $8 per ticket. If a family buys 4 tickets, what is the total amount spent?

• $32

• $24

• $40

• $16

If a function takes an input and divides it by 2, what is the output when the input is 20?

• 15

• 10

• 25

• 5

A gardener plants 3 rows of flowers with 5 flowers in each row. How many flowers are there in total?

• 20

• 10

• 12

• 15