The smallest value of x^n where x>1 and n>0 is 1.
The smallest value of 4^n is 1 when n is 0.
So M = 2 + some value >1 + some value >1
So, M > 4
Answer is E.




Range = Biggest number - Smallest number
Range = 112 - 45 = 67
After selling 20 shares of X, number of shares of X = 56 - 20 = 36
After buying 24 shares of Y, number of shares of Y = 94 + 24 = 118
New range = 118 - 36 = 82
Increase = 82 - 67 = 15



tanyajoseph, when the question involves only text and does not involve any diagrams, please do not post screenshots. Instead, please just post the question text. This way, the post is easier to read.

Great. I used the same logic for the range problem but reckon went wrong with the numbers somewhere. Thank you very much and yep in future would just post the text.

givemeanid wrote:The smallest value of x^n where x>1 and n>0 is 1.

how can u conclude the above.............??