Factor completely.6x2 - 21x - 12
A. (6x - 3)(x + 4)
B. (2x - 1)(3x + 12)
C. 3(2x + 1)(x - 4)
D. 3(2x - 1)(x + 4)
Answer: C
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The graph below shows estimated world population for the period 4000 BC - 2000 AD. Note that the logarithm of the world population and not actual population is plotted on the vertical axis. This means, for example, that when the graph reaches 7 on the vertical scale, world population is 107 and when the graph reaches 9 on the vertical scale, world population is 109. Log World Population 
? Year Use the graph to answer the question. How does world population in the year 1000 AD compare with world population in the year 2000 BC?
A. The 1000 AD population is roughly 14% larger than the 2000 BC population. B. The 1000 AD population is roughly ten million larger than the 2000 BC population. C. The 1000 AD population is roughly ten times as large as the 2000 BC population. D. The 1000 AD population is roughly one million larger than the 2000 BC population.
Find the Taylor polynomial of order 3 generated by f at a.f(x) = 
, a = 1
A. P3(x) = 
- 
+ 
- 
B. P3(x) = 
- 
+ 
- 
C. P3(x) = 
- 
+ 
- 
D. P3(x) = 
- 
+ 
- 
Provide an appropriate response.Is there an identity element for the operation of subtraction over the set of integers? Support your claim with an example.
What will be an ideal response?
Determine if the given set of whole numbers is closed under addition.{10}
A. Not closed B. Closed