Is x >3?
(Statement1):
y >16 and \(y = x^{2}\)
(x —4)(x+4) >0
Clearly insufficient
(Statement2): 15x > 12x+ 3
3x > 3
x >1
—> if x=4, then Yes
—> If x=2, then No
Insufficient
Taken together 1&2,
x >1
(x—4)(x+ 4) >0
—> x >4
Sufficient
The answer is C
Posted from my mobile device
(Statement1):
y >16 and \(y = x^{2}\)
(x —4)(x+4) >0
Clearly insufficient
(Statement2): 15x > 12x+ 3
3x > 3
x >1
—> if x=4, then Yes
—> If x=2, then No
Insufficient
Taken together 1&2,
x >1
(x—4)(x+ 4) >0
—> x >4
Sufficient
The answer is C
Posted from my mobile device
