Function Notation Review

A plant's height is a function of the time it has grown. Time is measured in weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall
• The plant grows at a rate of 5/4 inch per week
• After 4 weeks the plant is 5 inches tall
• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

What is the definition of a function?

• Has inputs and outputs

• Inputs have different outputs every time

• x-values and

  y-values

• Every input has only one output

Tags

CCSS.8.F.A.1

The speed of the baseball is a function of the time since the baseball was hit by a bat. What does f(2) = 80 represent in this situation?

• After 2 seconds the baseball is traveling at 80mph

• After 80 seconds the baseball is traveling at 2mph

• The baseball traveled 80mph for 2 seconds

• The baseball traveled 2mph for 80 seconds

Tags

CCSS.HSF.IF.A.2

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Farmer John uses a function to determine the weight of his cows. Function c gives the weight of a cow, in pounds, when it is y years old. Which statement represents the meaning of the equation c(3) = 250 in this situation?

• The weight of the cow is 250 kilograms when it is 3 months old.

• The weight of the cow has been 3 pounds for 250 months.

• The cow weights 250 pounds when it is 3 years old.

• The cow weighs 3 pounds when it is 250 years old.

Tags

CCSS.HSF.IF.A.2

Which table shows a relationship that is NOT a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

How much will a large pizza with 4 toppings cost? $ (a)  

Tags

CCSS.7.EE.B.4A

A function means that every ​ (a)   has exactly ​one ​ (b)   .

• input
• output

Tags

CCSS.8.F.A.1

Interpret the meaning of f(4)=80

If ​ (a)   sandwiches are made, ​ (b)   ounces of peanut butter are remaining

• 4
• 80
• 100

Tags

CCSS.HSF.IF.A.2

Interpret f(4)

• After 4 seconds, the hawk was at 60ft

• The hawk traveled at 90 ft per second

• It took 4 seconds for the hawk to reach 50ft

• It took 50 seconds for the hawk to reach 4 feet.

Tags

CCSS.HSF.IF.B.4