f 2 < x < 5, and 6 > y >3, what are the possible values of x + y? x + y must be between – 2 and 7 x + y must be between – 5 and 10 x + y must be between 5 and 11 x + y must be between 6 and 9 None of these
Question
f 2 < x < 5, and 6 > y >3, what are the possible values of x + y?
x + y must be between – 2 and 7
x + y must be between – 5 and 10
x + y must be between 5 and 11
x + y must be between 6 and 9
None of these
Solution
The possible values of x + y are determined by adding the minimum and maximum values of x and y respectively.
The minimum value of x is 2 and the maximum value is 5. The minimum value of y is 3 and the maximum value is 6.
So, the minimum possible value of x + y is 2 + 3 = 5 and the maximum possible value of x + y is 5 + 6 = 11.
Therefore, the possible values of x + y must be between 5 and 11.
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