Function Notation on a Graph

• 4

• 3.5

• 2

• 0

• x=3

• x= 0.5

• x= -3.5 and 0.5

• x=0

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

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.

For what value of x does f(x) = -2?

• x = 0

• x = -5

• x = 3

• x = -3

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

What is f(1)?

• 1

• 5

• 0

• 4

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)

Given the graph, 
find:

Given the graph, 
find: