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If (x) is an integer and (1<x\le 6), how many values are possible?

Answer and explanation

Correct answer: (5)

The correct answer is option B: 5 values. The condition \(1<x\le6\) has two parts. The sign \(1<x\) means x must be strictly greater than 1, so 1 is excluded. The sign \(x\le6\) means x may equal 6, so 6 is included. The integers between these limits are 2, 3, 4, 5, and 6. Counting them gives 5 values. Option A, 4, misses one allowed integer. Option B is correct because it lists all five possible integers. Option C, 6, would incorrectly include 1 or another disallowed value. Option D, 7, counts too many values. On a number line, use an open point at 1, a closed point at 6, and consider only integer points between them. Memory cue: a strict sign excludes its endpoint; \(\le\) includes its endpoint.

Related tags

Linear InequalitiesIntegersCounting Solutions

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