Schieferstein821 Schieferstein821

04-06-2015
Mathematics

contestada

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

Respuesta :

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

Otras preguntas

Where did the Greeks believe that most gods lived

All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.

What were the reasons for the failure of the League Nations?

in a parallelogram one angle is 9 times the size of another. find the measures of the angles

select the product of (3x-4)(3x4)

the length L of a spring is given by L=(3/4)F + 5 where F is applied force. What force F will produce a length of 8?

Which ancient civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil?

What were the reasons for the failure of the League Nations?

How many hours are 180 minutes

Describe a pattern in the sequence of numbers. Predict the next number. 1) 1, 2, 6, 24, ___ 2) 0, 3, 8, 15, 24, ___