MTH 216T Wk 3 – Midterm Exam

Complete the midterm exam. You have one attempt at the exam. So, be sure you review all previous course materials before attempting the exam.

Question 1

Given a function described as equation y = 3x + 4, what is y when x is 1, 2, and 3?

7, 8, 9

3, 7, 11

3, 6, 9

7, 10, 13

Question 2

Given this equation for converting temperature from Celsius (c) to Fahrenheit (f): f = (9/5)c + 32

What is f when c is 30?

77

86

95

104

Question 3

What are m and b in the linear equation, using the common meanings of m and b?

1 + 4x + 6 – x = y

m is 3, b is 7

m is 4, b is 6

m is 7, b is 3

m is 6, b is 4

Question 4

The figure below shows costs for a current home mortgage versus a refinanced home mortgage. Refinancing has initial costs, but results in a lower monthly payment. Which best describes the lines?

The blue line is for refinancing, which starts cheaper but eventually is costlier

The blue line is for refinancing, which starts costlier but eventually is cheaper

The orange line is for refinancing, which starts cheaper but eventually is costlier

The orange line is for refinancing, which starts costlier but eventually is cheaper

Question 5

To draw a graph for y = 2x + 5, a person can draw a point at x of 0 and y of ___, a second point by going over 1 and up ___, and then draw a line through the points.

0, 5

2, 5

5, 2

2, 5

Question 6

A parking lot charges $2 per hour for the first 4 hours, then $3 per hour after that. Which equation(s) describes the total cost y as a function of the hours x?

y = 3x + 8

y = 2x + 12

y = 2x for x of 4 or less / y = 2x + 3x for x of 5 or more

y = 2x for x of 4 or less / y = 8 + 3(x – 4) for x of 5 or more

Question 7

Cells B1, C1, and D1 contain the values Seat1Row1, Seat1Row2, and Seat1Row3. If cells B1, C1, and D1 were selected, and autofill used to fill E1, F1, and G1, what would be the autofilled values?

Seat2Row3, Seat3Row3, Seat4Row3

Seat2Row4, Seat3Row5, Seat4Row6

Seat1Row4, Seat1Row5, Seat1Row6

Autofill cannot be used for these values

Question 8

If A2 is changed from 5 to 8, what value will appear in C3 if C3 contains the formula =A2*2?

8

10

16

20

Question 9

The formula in cell B1 is =A$2. Autofill is used by dragging B1’s autofill box across to C1, D1, and E1. What formulas will appear in C1, D1, and E1, respectively?

=A$2, =A$2, =A$2

=A$2, A$3, A$4

=B$2, C$2, D$2

=B$2, C$3, D$4

Question 10

Based on the line graph shown, how did Google’s stock price perform between September 2015 and December 2015?

The stock price did not change

The stock price decreased

The stock price increased

Not enough information to determine the stock price performance

Question 11

Based on the grouped bar chart below, in which year did the largest gap between men and women exist in the U.S. workforce?

1970

1980

2000

2010

Question 12

For which of the following sets of data should a stacked bar chart be used?

The average height of men vs. the average height of women

The number of red cars vs. the number of red bicycles

The total number of movies watched categorized by science fiction vs. non-science fiction

The average age of surfers vs. the average age of scuba divers

Question 13

The total amount of time university students in the United States spend sleeping, grooming, eating and drinking, and traveling is about:

1 over 8 of the total time

1 fourth of the total time

1 half of the total time

3 over 4 of the total time

Question 14

For the given fact below, which subsequent true/false statement is true?

Fact: Mel received in A in Math.

Mel passed the math class.

Mel failed the math class.

Mel likes math.

Mel took math this semester.

Question 15

Indicate the most appropriate if-then statement that the English sentence represents:

People 25 years or older do not pay an additional car rental fee.

If a person is 25 years old or older, then the person does not pay an additional car rental fee.

If a person is 25 years old or younger, then the person does not pay an additional car rental fee.

If a person does not need to pay an additional car rental fee, then the person is 25 years old or older.

Unknown

Question 16

Given: If X, then Y. If Y, then Z.

Y is true. So:

X is unknown, Z is unknown

X is unknown, Z is true

X is false, Z is true

X is true, Z is true

Question 17

Using everyday knowledge, which of the following statements is an if-then statement whose reverse is also correct?

If the TV is unplugged, then the TV will not turn on.

If the light bulb was recently on, then the light bulb is hot.

If an ambulance has emergency lights on, then cars on the road pull over.

If the wind is blowing, then the weather is chilly.

Question 18

Using everyday knowledge, indicate whether the if-then statements are correct forward-only or both forward and reverse.

Statement 1: If Bo is Mel’s sibling, then Mel is Bo’s sibling.

/ Statement 2: If the sprinklers are on, then the grass is wet.

Forward-only / Forward-only

Forward-only / Forward and reverse

Forward and reverse / Forward-only

Forward and reverse / Forward and reverse

Question 19

Given: If A AND B, then C. Given: The if-then statement’s reverse is also correct. Given A is false, B is false. What is C?

True

False

Both true and false

Unknown

Question 20

What pages will be favored for the given search? Search terms: Michael OR Jordan

Pages about Michael Jordan

Pages about Michael, plus pages about OR, plus pages about Jordan

Pages about Michael, plus pages about Jordan

Pages about Michael, plus pages about Jordan, plus pages about both

Question 21

The rules for a soccer player receiving a yellow card are as follows:

IF a player

delays-restart

OR (dissents-by-word OR dissents-by-action)

OR ((enters OR re-enters OR leaves) AND NOT (had-permission))

OR ((corner-kick OR free-kick OR throw-in) AND fails-respect-distance)

OR commits-persistence-offences

THEN the player should receive a yellow card

A player leaves the field with permission. Later, the player re-enters the field without permission. The player:

Should receive a yellow card

Should not receive a yellow card

Should receive a yellow card only if the player also delays the restart

Should receive a yellow card only if committing all the other 4 offenses too

Question 22

What percentage of people partake in physical activity and abstain from smoking, but do not eat fruit and vegetables?

1%

5%

10%

14%

Question 23

Given the true/false statements are true (facts), select the best logical induction made from those statements:

Mo likes oranges. Jai likes oranges. Ben likes oranges.

People don’t like apples

People only like oranges

People like oranges

People like fruit

Question 24

Given a function described as the table below, what is y when x is 2?

0

1

2

4

Question 25

Given a function described as the graph below, what is y when x is 3?

1

3

6

10

Question 26

The figure below shows total costs for three gym memberships. Which is the most accurate statement?

Of the 3 memberships, Monthly is cheapest for under 5 months, while Standard is cheapest for over 10 months.

Platinum is costliest for any duration

Monthly is cheapest for any duration except for 5-10 months

Standard is cheapest for a duration between 5-10 months; other plans are cheaper for shorter or longer durations.

Question 27

The figure shows estimated medical costs versus what a user actually pays for three health insurance plans with different deductibles. For which plan does the user pay the least for estimated medical costs of $4,000?

$500 deductible plan

$1,000 deductible plan

$2,000 deductible plan

The user pays the same for all three plans.

Question 28

What is the value of cell C2?

2

24

50

64

Question 29

What formula should be entered in A3 to compute A1 divided by C3?

=A3/A1

=A1/C3

=A1*C3

=C3/A1

Question 30

Based on the vertical bar chart below, in which of the following months were approximately 10% of professional European soccer players born?

January

April

October

December