Schieferstein821
Schieferstein821 Schieferstein821
  • 04-06-2015
  • Mathematics
Answered

If n > 0 , which of the following must be true? I n² > 1 II n - n² < 0 III 2n - 1 > 0
a. I only
b. II only
c. III only
d. I and II only
e. none



Answer :

td1355 td1355
  • 04-06-2015
e. none because, pretend n=.1, then .1² is .01 which is less than 1, so then I isn't always true. .1-.1² is .09 which is greater than zero, so II isn't always true. Lastly, 2(.1)-1=-.8 which is less than zero, so III isn't always true
Answer Link

Other Questions

what is the lateral surface area of a cube with side length 9 cm?
what is 7250 equal to in liters
find two consecutive numbers with a product of 121
if less than half of the garden is planted with corn, then is it reasonable to estimate that 5/6 of the garden is planted with corn?
Who were the first five presidents and what did they do?
Which expression is equivalent to (6 + 2i) - (4 + 3i)?
How is the equator similar to the prime meridian? A. both the prime meridian and equator are lines that divide earth into norther and southern hemispheres B. bo
How many molecules are in 100 grams of HCL?
what's the value of log2 (1/8) ?
The Transamerica Pyramid in San Francisco is shaped like a square pyramid. It has a slant height of 856.1 feet and each side of its base is 145 feet. Find the l