The function f(x) is said to concave down in an interval [a, b], if = _____?
- f''(x) < 0
- f'(x) < 0
- f''(x) > 0
- None of these
Explanation
A function is concave down on an interval if its second derivative is negative over that interval.
Graphically, this means the curve bends downward like an upside-down bowl.
Related MCQs
- The point will always lie on the y-axis.
- The point will always lie on the x-axis.
- The point will always lie in the first quadrant.
- None of these
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- 21
- 22
- 23
- None of these
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- 17
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- None of these
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- 8x + 5 = 0
- 8(x + 5) = x
- 8x = x + 5
- None of these
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