Test 2: Function

Determine whether the following graph represents a function.

• Not a Function

• Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Which table of values represents a linear function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.3

If f(x)=3x^2+x−2 , then what is the value of f(-2)?

• -16

• 8

• 12

Tags

CCSS.HSF.IF.A.2

Tilda has written 12 pages of her novel so far. She plans to write 7 additional pages per month until she is finished. Which equation represents the total number of pages, 𝑝, Tilda has written after 𝑚 months?

• 𝑝 = 12𝑚 + 7

• 𝑝 = 7𝑚 − 12

• 𝑝 = 7𝑚 + 12

Tags

CCSS.HSF-BF.A.1A

Mrs. Reeves charges an initial fee of $20 to clean a house. She charges an additional $5 each hour it takes her to clean the house. Which graph shows the total cost, 𝑦, that Mrs. Reeves charges if she spends 𝑥 hours cleaning a house.

• 
• 
• 

Tags

CCSS.8.EE.B.5

What are the x- and y-intercepts of the graph of the equation?
3x−4y=9.

• x-intercept: 0;

  y-intercept: 3

• x-intercept: 3;

  y-intercept: -9/4

• x-intercept: 3;

  y-intercept: 0

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

A canoe rental service charges a $20 transportation fee and $30 dollars an hour to rent a canoe. Write an equation representing the cost, y, of renting a canoe for x hours. What is the cost of renting the canoe for 6 hours?

• y=30x+20, 200 dollars for 6 hours

• y=20x+30, 150 dollars for 6 hours

• y=10x, 60 dollars for 6 hours

Tags

CCSS.HSF-BF.A.1A

Fabian is preheating his oven before using it to bake. Fabian wants to predict the final temperature after x minutes. He wrote the equation y=50x+78, where y represents the final temperature in degrees Fahrenheit. What could the number 50 in Fabian's equation represent?

• The oven's temperature after 1 minute.

• The rate of change in the oven's temperature over time.

• The time when the oven's temperature is 0 degree.

Tags

CCSS.HSF.LE.B.5

A student received a gift card to use at a coffee shop. The student used the gift card to spend the same amount of money at the coffee shop every day until the remaining value of the card was $0. The function below represents 𝑓(𝑛), the value, in dollars, of the gift card after 𝑛 days.

𝑓(𝑛) = −2.5𝑛 + 75

Based on the function, what was the original value, in dollars, of the gift card?

• $25.00

• $72.50

• $75.00

Tags

CCSS.HSF.LE.B.5

Given h(x)=−5x−3, find h(3).

Tags

CCSS.HSF.IF.A.2