Input Output Formulas

Bottles     Milk (oz)
1                8
2               16
5               40
10             80
Which statement is true?

• The number of bottles times 8 equals the number of ounces of milk

• The number of ounces of milk times 4 equals the number of bottles

• The number of bottles plus 7 equals the number of ounces of milk

• None of the statements are true.

What rule would explain this input output table?

• The output is 3 times as much as the input.

• The input is 3 times as much as the output.

• The output is 8 times as much as the input.

• The input is 8 times as much as the output.

What rule would explain this input output table?

• X times 3= 8

• Y divided by 3= X

• X divided by 3= Y

• Not here

Which choice best explains the rule for this table?

• Subtract 7 from Keith's Age to find Jason's age.

• Add 7 to Jason's Age to find Keith's age.

• Add 7 to Keith's Age to find Jason's age.

• Subtract 5 from Jason's Age to find Keith's age.

If your output was 7, what is your input?

• x = 3

• h(x) = 11

• x = 2

• h(x) = 2

What rule shows how to find the output when given the input?

• Input + 15

• Input x 15

• Input +14

• Input x 14

Ted's Taxi service charges a $5 pick up fee plus $2 per mile. Which function describes the situation?

• y=5x+2

• y=2x-5

• y=5x-2

• y=2x+5

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

• s + 3
• s − 1
• s − 3
• s ÷ 2

What is the rule?

• Multiply by 4

• Add 4

• Multiply by 3

• Add 3