rnaah wrote:if x^4 + y^4 = 100, then the greatest possible value of x is between 0 - 3, 3 - 6, 6 - 9, 9 - 12, 12 - 15.
x can be maximum if y is the least and the least possible value of y = 0.
If x = 3 then 34 = 81, which implies x should be greater than 3.
The correct answer is B.
