Reasonable Domain and Range

Gracie's service club is raising money by wrapping presents in the mall. The function f(x) = 3x describes the amount of money, in dollars, the club will earn for wrapping x presents. They only have enough wrapping paper to wrap 1000 presents. Which best represents the domain?

• 1000 ≤ x ≤ 0

• x ≥ 1000

• 0 ≤ x ≤ 1000

• x ≤ 3000

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.CED.A.1

CCSS.HSF.IF.B.5

Before a bowler rolls her first ball 10 pins are standing. The number of pins that will be left standing y, is a function of the number of pins she knocks down. What is the range of the function?

• { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

• { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

• y ≤ 10

• 0 ≤ y ≤ 10

A student lives 3 miles from the library. He is riding his bike to the library. The distance he has remaining, y, is a function of how long he has been riding his bike. What is the range of the function?

• y ≥ 0

• { 1, 2, 3}

• {0, 1, 2, 3}

• 0 ≤ y ≤ 3

A boy has 7 stamps. The number of letters he can mail is a function of x, the number of stamps he has. Which option best describes the domain of the function?

• x ≥ 0

• x ≤ 7

• 0 ≤ x ≤ 7

• { 0,1, 2, 3, 4, 5, 6, 7 }

Leslie's car travels about 25 miles per gallon of gas. Her car needs 14 gallons of gas to be full. What is a reasonable domain?

• 0 ≤ x ≤ 350

• 0 ≤ y ≤ 14

• 0 ≤ y ≤ 350

• 0 ≤ x ≤ 14

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.CED.A.2