Question 1

Andrea walks $5$ miles from the library to her home. She starts walking at an average rate of $2$ miles per hour. After 1 hour, she stops walking for $0.25$ hour. When she begins walking again, Andrea walks at an average rate of $3$ miles per hour until she arrives home. Which graph represents Andrea's distance $(y)$, in miles, from her home as a function of the amount of time $(x)$, in hours, since she left the library?

Accepted Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/26a7cbf5-0dbd-3e14-7f14-c3359706a622.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/80995b14-2f70-0a4a-6536-13ea246efa0c.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/d11de613-3474-c696-e8c5-49ecafd9a099.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/b1bfcc8b-d50f-b58c-3cde-5188a14aa2c8.png

Question 2

The manager of a small chain of restaurants compared the sales at different restaurant locations. She drew a graph comparing the daily sales, in dollars, to the number of competing restaurants in the neighborhood.

Based on the graph, how much do the daily sales change with each additional competitor in the neighborhood?

Accepted Answer

The daily sales decrease by $100.

Answer

The daily sales increase by $100.

Answer

The daily sales increase by $200.

Answer

The daily sales decrease by $200.

Question 3

At a market, assorted fruit costs $$\$3$$ per pound for the first $10$ pounds of fruit purchased. After the first $10$ pounds, the fruit costs $$\$2$$ per pound. Which graph represents the total cost $(y)$, in dollars, of going to the market as a function of the weight of fruit $(x)$, in pounds, purchased?

Accepted Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/824c27d7-f1d8-0e46-a235-4f6d9822c7e1.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/85d31753-f1c5-ddfd-c832-56982492a3b4.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/12c589cd-b532-1863-dc46-946907a66fb5.png

Answer

https://uploads.quizalize.com/33d20168-a570-45b4-843a-ee703ca71b4d/question/0be1d5c5-9c14-2ede-9d73-a8574bb507e6.png

Question 4

The graph below shows the relationship between the number of years after a car is purchased and the car's value.

Which statement correctly describes the relationship shown in the graph?

Accepted Answer

The car's initial value is $$\$30,000,$$ and the car's value decreases $$\$2,000$$ each year.

Answer

The car's initial value is $$\$18,000,$$ and the car's value increases $$\$2,000$$ each year.

Answer

The car's initial value is $$\$30,000,$$ and the car's value decreases $$\$12,000$$ each year.

Answer

The car's initial value is $$\$2,000,$$ and the car's value increases $$\$30,000$$ each year.

Question 5

Zach is studying the school furnace's oil usage. He records the amount of oil remaining in the tank at 8 a.m. every day for a week. No additional oil is added to the tank during the week. The graph below shows his data.

As the outdoor temperature gets colder, more oil is used to keep the indoor temperature constant. Based on the graph, which 24-hour time interval indicates the coldest period for the week?

Accepted Answer

Tuesday to Wednesday

Answer

Saturday to Sunday

Answer

Sunday to Monday

Answer

Friday to Saturday

Question 6

The graph shown below represents the rate at which water drains from a tank once the drain is opened.

Which statement correctly describes the graph?

Accepted Answer

The water is draining at a constant rate of $\frac{1}{2}$ gallon per minute, and the tank contained
exactly $14$ gallons when the drain was opened.

Answer

The water is draining at a constant rate of $5$ gallon per minute, and the tank contained
exactly $14$ gallons when the drain was opened.

Answer

The water is draining at a constant rate of $2$ gallon per minute, and the tank contained
exactly $14$ gallons when the drain was opened.

Answer

The water is draining at a constant rate of $2$ gallon per minute, and the tank contained
exactly $\frac{1}{2}$ gallons when the drain was opened.

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