Construct a phase line. Identify signs of y' and y".y' = 
, y > 0
A.
| ? |
B.
C.
 ? |
D.
Answer: C
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?Which of the following best defines the concept of the Least Common Multiple of two or more numbers? ?
A. ?The sum of all the factors of two or more numbers. B. ?The union of all the common prime factors and non-common prime factors of two or more numbers. C. ?LCM(a,b) = c means a divides c or b divides c. D. ?LCM(a,b,c) = d means d divides a, d divides b, and d divides c. E. ?LCM(a,b,c) = d means a divides d, b divides d, and c divides d. F. ?b and e
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 5x2 + 6x + 1
A. 10x2 + h; 25x + 25a + 6 B. 10x + 5h + 6; 5x + 5a + 6 C. 10x + 10h + 6; 5x - 5a - 6 D. 10x + 6h + 1; 10x + 10a + 6
Use the Fundamental Counting Principle to solve the problem.There are 6 women running in a race. How many different ways could first, second, and third place finishers occur?
A. 18 B. 216 C. 20 D. 120
A manufacturing company wants to maximize profits on products A, B, and C. The profit margin is $3 for A, $6 for B, and $15 for C. The production requirements and departmental capacities are as follows: 
What is the constraint for the painting department?
A. 1A + 2B + 2C ? 38,000 B. 2A + 3B + 2C ? 30,000 C. 2A + 3B + 1C ? 28,000 D. 1A + 2B + 2C ? 38,000