Find the Rule of a Function

Give the function rule.

• 55

• x+11

• 11x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A water tank holds 84 gallons. When it began to leak it lost 3 gallons every hour. Write an equation to find the amount of water "y" the tank will have after "x" number of hours.

• y = 84 - 3x

• y = 3 - 84x

Tags

CCSS.6.EE.C.9

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Tags

CCSS.6.EE.C.9

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = -1/3x

• y = -3x

Tags

CCSS.6.EE.C.9

A plumber charges a service fee of $40 plus $25 per hour for labor.
Write a function rule for the total cost of hiring the plumber for a job that takes x hours.
How much would it cost to hire the plumber for a job that takes 4 hours?

• y = 40 + 25x
  $140

• y = 40x + 25
  $185

• y = 40 + 25x 
  $185

• y = 40x + 25 
  $140

Tags

CCSS.HSF-BF.A.1A

Which equation matches the table?

• y = x 

• y = 5x

• y = x - 4

• y = x + 4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the initial value in this table?

• -2

• 2

• 6

• 14

Tags

CCSS.HSF.LE.B.5

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.

Tags

CCSS.5.OA.B.3

Level 3 Which equation matches the table?

Tags

CCSS.6.EE.C.9

Find the missing OUTPUT value.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1