Final Review #1

Michael's soccer team is purchasing jerseys. The company charges $150 for a one time set-up fee and $15 for each printed jersey. Which expression represents the total cost of x number of jerseys for the team?

• 15x

• 15 + 150x

• 15x + 150

• 15(x + 150)

The scatter plot shows the relationship between the number of members in a family and the amount of the family's weekly grocery bill.

The most appropriate prediction of the grocery bill for a family that consists of six members is?

• $100

• $300

• $400

• $500

Which table represents a function?

• 
• 
• 
• 

The expression 4(x + 3) - (3x + 6) is equivalent to

• 7x + 6

• x + 6

• -x + 14

• x + 14

The function f is shown in the table.

What type of function best models the given data?

• Exponential growth function

• exponential decay function

• linear function with positive rate of change

• linear function with negative rate of change

Which expression results in a rational number?

• {0, 1, 2, 3}

• {0, 9, 36, 81}

• {0, 0, 3, 3, 6, 6, 9, 9}

• {0, 0, 9, 9, 36, 36, 81, 81}

What type of function is shown in the graph?

• linear

• exponential

• square root

• absolute value

Frank wanted to go on an amusement park ride. A sign posted at the entrance read "You must be greater than 40 inches tall and no more than 50 inches tall for this ride." Which inequality would model the height, x, required for this ride?