Function Notation In Context

Given the function below, what is the independent variable?

• The height of the plant (x-axis)

• The height of the plant (y-axis)

• Number of weeks (x-axis)

• Number of weeks (y-axis)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

CCSS.HSS.ID.B.6

Given the function below, what is the dependent variable?

• The height of the plant (x-axis)

• The height of the plant (y-axis)

• Number of weeks (x-axis)

• Number of weeks (y-axis)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

What does H(5) =18 mean in the context of the problem?

• The height of the plant after 5 weeks is 18 inches

• The height of the plant after 18 weeks is 5 inches

• The height of the plant is 5 inches after 18 weeks

• The height of the plant is dependent on the week it was planted

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

Given the graph of f(x), what does f(6) = 30 mean in context?

• When 6 books are sold, the store makes $30

• When 30 books are sold, the store makes $6

• When 6 books are sold, the store makes $36

• The store makes $5 per book.

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

Given this table of the function f(x), what is the independent variable?

• Number of weeks

• Pounds of soil

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

Given this table of the function f(x), what is the dependent variable?

• Number of weeks

• Pounds of soil

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

Given this table of the function f(x), find x when f(x)=15 and explain what it means in context.

• f(1) = 15 means the farmer increases his soli by 15%

• f(15) = 1 means after 15 weeks the farmer has 1 pound of soil.

• f(1) = 15 means after 1 week the farmer has 16 pounds of soil.

• f(1) = 15 means after 1 week the farmer has 15 pounds of soil.

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What does f(1990)=214 mean in the context of the problem?

• In 1990 there were 214 million people with health insurance

• In 214, there were 1990 people with health insurance

• When there are 1990 people, the year is 214

• None of these

Tags

CCSS.HSA.SSE.A.1

Translate the following statement into an ordered pair:

f(2) = -3

• (-3, 2)

• (2, -3)

• (f(2), -3)

• (-3, f(2))

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

The function R represents the rain total rainfall, in cm, after x hours. The graph of the function is shown.

What was the rainfall after 2 hours?

• 1 cm

• 3 cm

• 4 cm

• 5 cm

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7