T6 Quiz 2 - Functions, Domain and Range

It is the set of all possible x-values of a Function.

• Domain

• Range

• Piecewise

• Absolute Value

It is the set of all possible y-values of a Function.

• Domain

• Range

• Piecewise

• Absolute Value

Diego's club earns money for charity when members of the club perform community service after school. For each student who does community service, the club earns $5. There are 12 students in the club.

The total dollar amount earned, E, is a function of the number of members who perform community service, n. Describe the domain of this function.

• All numbers from 0 to 12.

• All whole numbers from 0 to 12.

• All numbers less than 12.

• All integers greater than 0.

Diego's club earns money for charity when members of the club perform community service after school. For each student who does community service, the club earns $5. There are 12 students in the club.

The total dollar amount earned, E, is a function of the number of members who perform community service, n. Describe the range of this function.

• All Multiples of 5 from 0 to 60.

• All Multiples of 12 from 0 to 12.

• All Multiples of 5 from 0 to 12.

• All Multiples of 12 from 0 to 60.

Function C is defined by the equation C(x) = 30x + 5. Which value of x makes the equation C(x) = 65 true?

• x = 2

• x = 30

• x = 5

• x = 0

A square that has a side length of 9 cm has an area of 81 cm². The relationship between the side length and the area of the square is a function, represented by the equation: A = s². What does A(2) represent in this situation?

• A(2) is the side length of the square when the area is 2 cm².

• A(2) means there are 2 squares.

• A(2) is the area of the square in when the side length is 2 cm.

• (2) means the square has 2 areas.

The graph illustrate the temperature of a certain city after 12 noon. How fast was the temperature drop from 12:00 noon to 2:00PM?

The height, in feet, of a squirrel running up and down a tree is a function of time, in seconds. Describe the average rate of change when the squirrel starts and ends at the same height.

• The average rate of change is zero.

• The average rate of change is small and positive.

• The average rate of change is negative.

• The average rate of change is large and positive.

Is the following a function?

• YES

• NO

Tags

CCSS.8.F.A.1

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1