Quiz about 1.6 Function Notation in Context Tables/Graphs

Question 1

Given the function below, what is the independent variable?

Accepted Answer

Number of weeks (x-axis)

Answer

The height of the plant (x-axis)

Answer

The height of the plant (y-axis)

Answer

Number of weeks (y-axis)

Question 2

Given the function below, what is the dependent variable?

Accepted Answer

The height of the plant (y-axis)

Answer

The height of the plant (x-axis)

Answer

Number of weeks (x-axis)

Answer

Number of weeks (y-axis)

Question 3

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

Accepted Answer

The height of the plant after 5 weeks is 18 inches

Answer

The height of the plant after 18 weeks is 5 inches

Answer

The height of the plant is 5 inches after 18 weeks

Answer

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

Question 4

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

Accepted Answer

When 6 books are sold, the store makes $30

Answer

When 30 books are sold, the store makes $6

Answer

When 6 books are sold, the store makes $36

Answer

The store makes $5 per book.

Question 5

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

Accepted Answer

Number of weeks

Answer

Pounds of soil

Question 6

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

Accepted Answer

Pounds of soil

Answer

Number of weeks

Question 7

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 8

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

Accepted Answer

In 1990 there were 214 million people with health insurance

Answer

In 214, there were 1990 people with health insurance

Answer

When there are 1990 people, the year is 214

Answer

None of these

Question 9

Translate the following statement into an ordered pair:

f(2) = -3

Accepted Answer

(2, -3)

Answer

(-3, 2)

Answer

(f(2), -3)

Answer

(-3, f(2))

Question 10

Ms. McWilliams and her class are examining the data given in the table below. A student makes a statement that Plant 4 started as the tallest plant after 7 days and was still the tallest plant after 42 days. Is this student correct? Select TWO answers.

Accepted Answer

No the student is not correct.

Accepted Answer

Plant 1 is taller than Plant 4 after 42 days

Answer

Yes the student is correct.

Answer

Plant 4 is the tallest plant after 42 days.

Answer

Plant 3 is taller than Plant 4 after 42 days.

Question 11

The math club goes to an amusement park. Student tickets cost $10 each. The bus costs $28. This is expressed as f(x) = 10x + 28. Find f(10) and explain what it means.

Accepted Answer

f(10) = 128; It costs $128 for 10 students can go on the trip.

Answer

f(10) = 100; It costs $4100 for 10 students to go on the trip.

Answer

f(128) = 10; It costs $10 for 128 students to go on the trip.

Answer

f(10) = 128; It costs $10 for 128 students can go on the trip.

1.6 Function Notation in Context Tables/Graphs

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