Topic 3 2 day lesson

Fill in the Blank

Mary has already sold $55 worth of tickets to a benefit concert. She has 3 tickets left to sell at $7 per ticket.

Find a reasonable range for this function. Write in the proper notation with no spaces.

{

,

,

,

}

Multiple Choice

What is a reasonable range for the function of filling a swimming pool?

• 0 to 10,000 gallons

• 0 to 1000000000 gallons

• 0 to 50 minutes

• 0 to 5 light years

Multiple Choice

What is the reasonable range for the situation where a car travels 25 miles using 1 gallon of gas?

• 0 to 100 hours

• 0 to 50000 miles

• 0 to 350 miles

• 0 to 10 miles

Multiple Select

What is the difference between a continuous and a discrete function?

• Continuous functions include all real numbers.

• Discrete functions consist of whole numbers only.

• Continuous functions are represented by lines or curves.

• Discrete functions are represented by a series of data points.

Multiple Choice

What is the difference between continuous and discrete domains as illustrated in the graphs?

• Continuous domains can take any value

• Discrete domains can take any value

• Continuous domains are represented by whole numbers

• Discrete domains are represented by fractions

Multiple Choice

Which of the following graph(s) represents a one-to-one relation?

• I

• I and II

• I and III

• III

Open Ended

Is this relation or function? Explain your answer.

Multiple Choice

A florist is making bouquets of flowers for a wedding. Each bouquet will have 9 flowers. The graph shows the linear relationship between y, the number of flowers used, and x, the number of bouquets.

The florist will use no more than 8 bouquets for the wedding. Which set best represents the domain of the function for this situation?

• {0, 2, 4, 6, 8, 10}

• {0, 1, 2, 3, 4, 5, 6, 7, 8}

• {0, 18, 36, 54, 72, 90}

• {0, 9, 18, 27, 36, 45, 54, 63, 72}

Multiple Choice

The relation in the graph is..

• a function but not a one-to-one function.

• a one-to-one function.

• not a function

Fill in the Blank

Using this table, solve h(x)=19.

Multiple Choice

Evaluate the expression for the given values. 2x² - 3xy - 2z²

• -32

• 68

• 4

• 32

Fill in the Blank

What is the y-intercept?

Multiple Choice

What is the y-intercept of the function that was used to generate the t-chart shown?

Hint: Y-intercept is the y value when x=0.

• b = 3

• b=4

• b=2

Multiple Choice

The graph of the function f(x) = –x – 6 is shown. Using the graph, which characteristics about the function is NOT true?

• The line intersects both the x and y axis at -6.

• The function f(x) is positive when x > -6 and negative when x < -6.

• As x increases, f(x) always decreases.

• The graph has an end behavior that increases as x goes to -∞ and decreases as x goes to ∞.

Multiple Choice

What is the main function of the heart in the human body?

• To pump blood

• To digest food

• To filter waste

• To produce hormones

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident