a

Jimmy bought a 36-inch-long candle. It burns at a steady rate of .48 inches every hour. Which of the following is a relationship between the length, L, in inches, of the candle and the time, T, in hours, the candle has burned?

• L = 36 - .48T
• L = 36 + .48T
• L = .48T
• L = 35.52T

A function that is defined by the set of ordered pairs {(2,1), (4,2), (6,3)} has domain {2, 4, 6}. What is the domain of the function defined by the set of ordered pairs {(0,2), (2,2), (3,-2)} ?

• {2}
• {-2, 2}
• {-2, 0, 3}
• {0, 2, 3}

At Wendy's Wedding Catering, the total operational cost for catering a wedding consists of a staff and equipment fee of $400 per event, plus a food cost of $15 per guest. For a wedding at which G guest are fed, which of the following expressions gives that event's total operational cost, in dollars, for catering?

• 15G + 400
• 400G + 15
• 15G - 400
• 400G - 15

Tags

CCSS.HSA-SSE.A.1A

Is this table a function or not a function? 

• Function
• Not a Function

Heather is a hairdresser and her customers pay $5 to reserve an appointment time and $12 for every hour Heather works on their hair style. As a back to school special she offers to lower her price per hour by $5. What equation represents the total amount paid to Heather, y, after x hours of hair styling?

• y = 5 + 12x
• y = 12x
• y = 7x + 5
• y = 12x + 12

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50

Lin is tracking the progress of her plant’s growth. Today the plant is 5 cm high. The plant grows 1.5 cm per day. 
What will the height of the plant be after 20 days? 

• 25
• 30
• 35
• 40

A local parking garage charges $5.00 for the first hour plus $1.50 for each additional hour or part of an hour. Write a relation where x represents the hours, and y represents the cost. Is it a function?

• y = 1.50x + 5
  Function
• y = 5x + 1.50
  Function
• y = 1.50x + 5
   Not a Function
• y = 5x + 1.50
  Not a Function

A volleyball team is making and selling bracelets to raise money for their summer camp. The function P(b) = 3b models the profit if the team sells b bracelets. What is the domain if the team has 300 bracelets to sell?

• [0, 3]  
• [0, 9]  
• [0, 300]  
• [0, 900]  

Carey and Justin are raising money to purchase books for their school's library. The more money they raise, the more books they will be able to purchase for the library.
m = the amount of money Carey and Justin raise
b = the number of books Carey and Justin will be able to purchase
Which of the variables is dependent?

• m
• b

Tags

CCSS.6.EE.C.9