Function Notation

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

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

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

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

The speed of a baseball, measured in mph, is a function of the time since it has been hit by a bat, measured in seconds. What does f(3) represent in the situation?

• The speed of the ball after 3 seconds.

• The ball traveled for 3 seconds.

• The speed of the ball is 3mph

• The ball stopped at 3 seconds

Tags

CCSS.HSF.IF.A.2

The height of a plant, in inches, is a function of the time it takes to grow, measured in weeks. What does the notation h(10) represent?

• The plant is 10 inches tall.

• The height of the plant after 10 weeks.

• The plant stopped growing after 10 weeks.

• The time it took the plant to grow its tallest.

Tags

CCSS.HSF.IF.A.2

The height of a plant, in inches, is a function of the time it takes to grow, measured in weeks. What does the notation h(12) = 16 represent?

• The plant is 12 inches tall after 16 weeks.

• The plant is 16 inches tall after 12 weeks.

• The plant will remain 12 inches tall for the next 16 weeks.

• The plant will remain 16 inches tall for the next 12 weeks.

Tags

CCSS.HSF.IF.A.2

The speed of a baseball, measured in mph, is a function of the time since it has been hit by a bat, measured in seconds. What does f(4) = 65 represent in the situation?

• The ball is traveling 65 mph, 4 seconds after it was hit.

• The ball is traveling 4 mph, 65 seconds after it was hit.

• Not enough information

• The ball traveled 65 mph for the last 4 seconds.

Tags

CCSS.HSF.IF.A.2