Basic Function Rules

If my function rule is 4x, what is the OUTPUT if the input is 5?

• 45
• 54
• 9
• 20

If my function rule is 2x + 1, what is the OUTPUT if the input is 2?

• 5
• 4
• 22
• 23

If my function rule is  x÷3, what is the OUTPUT if the input is 12?

• 9
• 4
• 3
• 36

What is the function of the table?

• y=2x

• y=x+2

• y=x/2

• y=x-2

What is the function of the table?

• y=3x+1
• y=4x-2
• y=x+1
• y=x+7

What is the function of the table?

• y=3x+1
• y=4x-2
• y=x+1
• y=x+7

Find the function rule for the function table.

• 2/n
• n + 2
• 2n
• n - 2

Write the function rule for the following table.

•  5x
• 5x + 1
•  x + 5
•  x + 1

Patrick earns $20 for every lawn that he mows. Write an equation used to find t, the total amount of money he earns from mowing n lawns.

• n = 20t
• t = 20n
• t = n + 20
• t = n - 20

If my function rule is 3x, and my OUTPUT is 12, what is my input?

• 36

• 4

• 7

• 6