AnswersPBCSD_Grade_Forgiveness_1207350_Mathematics_for_College_Liberal_Arts_S2_2023Introduction to Statistics

Unit 1 Part 1 TEST: Applications and Functions Answers

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Tickets to a basketball game can be ordered online for a set price per ticket plus a $5.50 service fee. The total cost in dollars for ordering 5 tickets is $108.00. Which linear function represents c, the total cost, when x tickets are ordered? (A service fee is a single fee applied to the total, no matter the number of tickets purchased).

A
c(x) = 5.50 + 20.50x
B
c(x) = 5.50x + 20.50
C
c(x) = 5.50 + 21.60x
D
c(x) = 5.50x + 21.60
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A coordinate plane with a line drawn passing through the points (0, 3) and (3, 2).

Question illustration
A
y = –3x + 3
B
y = 3x – 3
C
y = 3x –
Option C
D
y = –x + 3
Option D
43

What is the slope of the line represented by the equation y = –x + ?

Question illustration
A
–
Option A
B
–
Option B
C
StartFraction one-fourth EndFraction.
Option C
D
StartFraction one-half EndFraction.
Option D
44

Diep buys a loaf of bread 65 centimeters long. For lunch every afternoon, he cuts 15 centimeters of bread for his sandwich. Diep wants to determine the length of the loaf of bread, l, after d days. What is the equation of the scenario? Is the graph of the equation continuous or discrete?

A
l = 65 – 15d; discrete
B
l = 65 – 15d; continuous
C
65 = l – 15d; discrete
D
65 = l – 15d; continuous
45

A coordinate plane from negative 8 to 8 along the x-axis and from negative 7 to 7 along the y-axis.

Question illustration
A
1. Plot the point (2, 4).2. From that point, count left 3 units and down 1 unit and plot a second point. 3. Draw a line through the two points.
B
1. Plot the point (2, 4).2. From that point, count left 1 unit and down 3 units and plot a second point. 3. Draw a line through the two points.
C
1. Plot the point (–2,4).2. From that point, count left 3 units and down 1 unit and plot a second point. 3. Draw a line through the two points.
D
1. Plot the point (–2,4).2. From that point, count left 1 unit and down 3 units and plot a second point. 3. Draw a line through the two points.
46

A coordinate plane with a line passing through (negative 3, 0), (0, negative 2) and (3, negative 4).

Question illustration
A
2x + 3y = –6
B
2x + 3y = 6
C
y equals negative StartFraction 2 Over 3 EndFraction x minus 2.
Option C
D
y equals StartFraction 2 Over 3 EndFraction x minus 2.
Option D
47

Which is the graph of 3x – 2y = 6?

A
Option
B
Option
C
Option
D
Option

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