12.11.24 PAP A2 Review Unit 1 Learning Checkpoint 2

The graph of a function is shown in the xy-plane. What is the average rate of change of the function over the interval [5,7]?

• -2

Tags

TEKS.MATH.P.2I

TEKS.MATH.P.2F

Select the correct graph for the following piecewise function.

• 
• 
• 
• 

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

In 2010, there were approximately 295,000 smartphones sold in a certain country, and in 2019 there were approximately 1,542,000 smartphones sold in that country. Based on the average rate of change in the number of smartphones sold in the country per year from 2010 to 2019, which of the following is closest to the number of smartphones sold in the country in 2017 ?

• 1, 264, 888.89

• 674, 888.89

• 1, 462, 888.89

• 1, 624, 888.89

Tasha is a salesperson in a department store. The commission she earns each week depends on her weekly sales amount. If her weekly sales amount is less than or equal to $1,000, she earns a commission of 4% of the sales amount. If her weekly sales amount is greater than $1,000, she earns a commission of 4% of the first $1,000 plus a commission of 11% of the portion of her sales that exceeds $1,000.

The commission that Tasha will earn from sales of $1,400 is equal to which of the following?

• 84

• 88

• 90

• 76

Tasha is a salesperson in a department store. The commission she earns each week depends on her weekly sales amount. If her weekly sales amount is less than or equal to $1,000, she earns a commission of 4% of the sales amount. If her weekly sales amount is greater than $1,000, she earns a commission of 4% of the first $1,000 plus a commission of 11% of the portion of her sales that exceeds $1,000.

Question

When Tasha’s sales exceed $5,000, she earns a bonus of 13% commission on the portion of her sales amount that exceeds $5,000. Which of the following expressions best represents the total amount of commission, in dollars, Tasha earns when her sales amount is x dollars, where x>5,000 ?

• 0.13x - 170

• 0.13x - 120

• 0.13x - 400

• 0.13x - 250

Which of the following intervals has the largest average rate of change?

• [13,14]
• [13, 17]
• [16, 17]
• [16, 19]

Tags

CCSS.HSF.IF.B.6

How much does it cost to rent the Karaoke machine for 3 days?

• $50
• $100
• $150
• $175

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

How much would postage cost for a letter that weighs 2.1 ounces?

• 41 cents

• 39 cents

• 45 cents

• 43 cents

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.A.1

How much would the postage cost for a letter that weighs 4 ounces?

• 43 cents

• 47 cents

• 45 cents

• 49 cents

Tags

CCSS.3.MD.A.2