Final Exam Math 1350

Determine whether the following is true or false.A ∪ is equal to the universal set U.

True

Is 819,339 divisible by 3?

Yes

Decide whether or not the set is closed under multiplication.{1, 3, 5, 7, . . .}

closed

Identify the number as prime, composite, or neither. 105

composite

slope and intercept of 6x+5y=39

m=-6/5, y-intercept= 39/5 x-intercept= 13/2

Find n(A) for the set A. A = {2, 4, 6, 8, 10}

n(A)=5

22 less than a number

n-22

8/15 in decimal notation

o.53-

solve the problem: If 235/y = x, then find 235/x.

y

Graph the linear equation y=5x+3

(0,3)

Find the product. Write your answer in simplest form. -4/5 x 1/3

-4/15

Find the quotient.42 ÷ -7

-6

The speed V(t) of a particle is given by 14t - 3t2. Calculate V(0), V(1), V(2), V(3), and V(4). Graph the function using these points.

0,11,16,15,8

Choose the best estimate from the list. 115/406 is approximately 1/16,1/8,1/4,1/2

1/4

Given 42 and 126, find the LCM.

126

For the following, write an equivalent numeral in the Hindu-Arabic system.

13

137.08 to the nearest tenth

137.1

write in simplest form 10/15

2/3

Dr. Wong can see 9 patients in 3 hours. At this rate, how long would it take her to see 63 patients?

21 Hours

Solve for x, where x is a real number. 3^x = 27

3

x-3=28

31

Determine how many integers there are between the given integers (not including the given integers). 9 and 44

34

3/5 as a percent

60%

Decide which property of addition is illustrated. (5 + 2) + 6 = (2 + 5) + 6

Commutative

At a basketball game, the players stood in a row ordered by height. If Paula is taller than Haritha, Iwona is taller than Paula, and Caroline is shorter than Haritha, who is the tallest and who is the shortest? Write the possible heights for the players above.

Iwona is the tallest and Caroline is the shortest. Answers for possible heights vary; e.g. Iwona 71 inches, Paula 68 inches, Haritha 65 inches, Caroline 62 inches