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Which function is positive for the entire interval [-3, -2]?

User Enamul Hassan
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21 votes

Answer:

Answer: A function that is positive in the entire interval [-3, -2] is -x2 - 5x - 5. Let's understand the solution. Explanation: If the function is represented by a downward parabola, then the function must be quadratic and the coefficient of x2 must be negative.

User Romesh
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