Which graph represents a function?

• A

• B

• C

• D

What is the domain of this function?

• -3 < x < 3

• -4 < x < 4

• -3 ≤ x ≤ 3

• -4 ≤ x ≤ 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Let x be any real number.Then the statement 𝑥³ > 0 is true for

• x > 0 only.

• x < 0 only.

• no values of x.

• all real values of x.

Tags

CCSS.8.EE.A.2

Which expression is equivalent to (2x-5)-(3x-8)?

• -x-13

• -x+3

• 2x-16

• 5x-3

Tags

CCSS.6.EE.A.3

Which of the following situations is best represented by a linear function?

• The amount Jeremy tips at a restaurant is a function of the total bill. He tips 15% of the total bill.

• The area of a square is a function of the length of the side of the square.

• The distance a ball travels after being dropped is a function of acceleration and time. The distance is one-half of the acceleration multiplied by the square of the time.

• The length of the side a a rectangle with an area of 48 is a function of the width of the rectangle.

Tags

CCSS.8.F.A.3

Which equation represents the line passing through the points (-2, 4) AND (2, 8)?

• y=-x+2

• y=-x+6

• y=x+4

• y=x+6

The cost of renting a table at a flea market is based on a fixed price per day plus an initial registration fee. If it costs $45 to rent a table for one day and a total of $90 to rent a table for four days, which of the following equations represents the total cost (c) to rent a table at the flea market for d days?

• c=15(d+30)

• c=15d+30

• c=15d+45

• c=15(d+45)

Tags

CCSS.HSF-BF.A.1A

A tour boat leaves the dock and travels to the wildlife park at 7 miles per hour (mph) for x hours. The return trip to the dock takes y hours at 15 mph. The boat ride takes a total of 3 hours.

Which system of equations best represents this situation?

• x + y = 3

  7x = 15y

• x = y

  7x = 15y

• x + y = 3

  7x + 15y = 3

• x = y

  7x + 15y = 3

Tags

CCSS.HSA.CED.A.3

Each graph represents an equations of the form y=ax². Which graph represents the equation with the greatest value for a?

• A

• B

• C

• D

Population A is 800. It grows by 5% each month. Population B is 500. It grows by 20 each month. Which set of statements correctly describes the growth of both populations.

• Population A is linear.

  Population B is exponential.

• Population A is exponential.

  Population B is linear.

• Population A is exponential.

  Population B is exponential.

• Population A is linear.

  Population B is linear.