Question 405186: solve and show the answer in interval notation:
3x-4<8 and 4x-1<13
i got:
3x-4<8
+4 +4
3x<12
x<4
4x-1<13
+1 +1
4x<14
x< 7/2
but professor marked it wrong. Please help Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! solve and show the answer in interval notation:
3x-4<8 and 4x-1<13
i got:
3x-4<8
+4 +4
3x<12
x<4
4x-1<13
+1 +1
4x<14
x< 7/2
but professor marked it wrong.
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The work you are showing is correct.
The problem involes "AND" so the
interval values must satisfy both
of the inequalities.
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For x to be <4 AND <7/2 the values
would have to be <7/2.
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Interval Solution: (-inf,7/2)
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