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ale4655 [162]
3 years ago
7

The range of all real numbers x such that 2x − 5 < 7 OR 4x + 10 > 6 is___

Mathematics
1 answer:
scoray [572]3 years ago
4 0
First, simplify the two inequalities.

2x - 5 < 7
2x < 12 <-- Add 5 to each side
x < 6 <-- Divide both sides by 2

4x + 10 > 6
4x > -4 <-- Subtract both sides by 10
x > -1 <-- Divide both sides 4

Now we have the compound inequality x < 6 OR x > -1

To fulfill the first inequality, x has to be less 6. For the second inequality, x has to bigger than -1.

So, the answer is B. (-infinity, infinity).
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