How many integers satisfy (x − 3)(x − 7) < 0?
Answer and explanation
Correct answer: C. 3
- Step 1: The product is negative for 3 < x < 7. Step 2. The integers strictly between 3 and 7 number 3. Answer: 3. Why not the others: 4 is what you get if you include one endpoint. 5 is what you get if you include both endpoints. 2 is what you get if you drop one value.
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