SOLUTION: MUST question if p and x are non negative numbers and y is a non positive number, which of the following must be true? a) px>xy b) px>0 c) pxy>-1 d) pxy is less than equal to

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Question 1026749: MUST question
if p and x are non negative numbers and y is a non positive number, which of the following must be true?
a) px>xy
b) px>0
c) pxy>-1
d) pxy is less than equal to 0
e) px is not equal to y
f) x is greater than equal to py

Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
a) False, x could equal 0
b) False, p and x could both be 0
c) False, let p = x = 1, y = -2
d) True, px is non-negative and multiplying it by y gives a non-positive number
e) False, let p = x = y = 0
f) True, x >= 0 and py <= 0

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