1)

If - 1<=x<= 2 and 1<=y<=3, then least possible value of (2y - 3x) is :


A) 0

B) -3

C) -4

D) -5

Answer:

Option C

Explanation:

y>=1 => 2y >= 2

x<=2 =>-3x >= -6 =>(2y - 3x) >= -4

Note: Take minimum value of y and maximum value of x, we will get the answer