A truck travels from a factory to a gas station in 4 minutes. It stops at the gas station for 2 minutes. The truck then returns to the factory in 4 minutes. Which graph best represents the distance, y, in miles, of the truck from the factory after a certain amount of time, x, in minutes? (5 points) 5.
A trolley company charges a fixed amount plus a fee based on the distance traveled. The cost chart for the company is shown:

Cost Chart
Distance traveled (miles) (x)
Cost (dollars) (y)
0
6
1
10
2
14

What is the fixed amount charged? (5 points)

$4
$6
$10
$12
6.
Math works in the real world because
the greatest thinkers of the ages developed it.
calculators prove it is true.
it is sustained by the God of truth.
my teacher said so.
7.
As you work through this course, your instructor is here to facilitate it and encourage your success. It is important to reflect on what you have learned, so please take a moment to answer these two questions.
+What did you enjoy about this section of the course?
+What part of this assignment was difficult?

8.
The graph shows the distance, y, that a car traveled in x hours:

What is the rate of change for the relationship represented in the graph? (5 points)

90
45

9.
Kelly sells ice cream bars at the beach. In addition to a fixed salary, she earns a commission for each ice cream bar she sells. The table shows Kelly's total earnings, y, in dollars, from selling x bars of ice cream:

Ice Cream Sales and Earnings
Number of Bars Sold (x)
Total Earnings (dollars) (y)
0
50
1
52
2
54
3
56

Which equation best shows the relationship between x and y? (5 points)

y = 2x + 50
y = x + 52
y = 2x + 52
y = x + 50
10.
The figure shows a line graph and two shaded triangles that are similar:

Which statement about the slope of the line is true? (5 points)

It is throughout the line.
It is 2 throughout the line.
The slopefrom point O to point A is time the slope of the line from point A to point B.
The slope from point O to point A is two times the slope of the line from point A to point B.
11.
Which equation does the graph below represent?

(5 points)

y = 2x
y = x
y =
y = 2 + x
12.
The table and the graph each show a different relationship between the same two variables, x and y:

How much more would the value of y be in the table than its value on the graph when x = 11? (5 points)

110
150
385
450
13.
The equation shows the relationship between x and y:

y = –8x + 3

What is the slope of the equation? (5 points)

–8
–5
3
8
14.
Which graph best represents an increasing function? (5 points)

15.
The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours:

What is the speed of the motorboat? (5 points)

225 miles per hour
25 miles per hour
75 miles per hour
50 miles per hour