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- A function is concave upward when the slope continually increases, and concave downward when the slope continually decreases1. The second derivative of a function tells us if the slope continually increases or decreases. When the second derivative is positive, the function is concave upward1. A point of inflection of the graph of a function is a point where the second derivative is 02. A piece of the graph of a function is concave upward if the curve ‘bends’ upward2. For example, the popular parabola y=x^2 is concave upward in its entirety2.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.When the slope continually increases, the function is concave upward. When the slope continually decreases, the function is concave downward. Taking the second derivative actually tells us if the slope continually increases or decreases. When the second derivative is positive, the function is concave upward.www.mathsisfun.com/calculus/concave-up-down-c…A point of inflection of the graph of a function f is a point where the second derivative f″ is 0. A piece of the graph of f is concave upward if the curve ‘bends’ upward. For example, the popular parabola y=x2 is concave upward in its entirety.sage-advices.com/how-do-you-determine-if-functio…
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Concave Upward and Downward - Math is Fun
WEBThe derivative is f' (x) = 15x2 + 4x − 3 (using Power Rule) The second derivative is f'' (x) = 30x + 4 (using Power Rule) And 30x + 4 is negative up to x = −4/30 = −2/15, and positive from there onwards. So: f (x) is …
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WEBIf f"(x) > 0 for all x on an interval, f'(x) is increasing, and f(x) is concave up over the interval. If f"(x) 0 for all x on an interval, f'(x) is decreasing, and f(x) is concave down over the interval. If f"(x) = 0 or undefined, f'(x) is not …
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WEBIf f ′ (x) is negative on an interval, the graph of y = f(x) is decreasing on that interval. The second derivative tells us if a function is concave up or concave down. If f ″ (x) is positive on an interval, the graph of y = f(x) is …
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WEBFrom f ( x) ’s graph, we can see that x = 0 is a relative maximum and the curve is concaving upward. The point at x = 1 is an inflection point while x = 2 is a relative minimum. The graph also concaves downward at x = 2. …
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WEBNov 16, 2022 · Fact. Given the function f (x) f ( x) then, If f ′′(x) > 0 f ″ ( x) > 0 for all x x in some interval I I then f (x) f ( x) is concave up on I I. If f ′′(x) < 0 f ″ ( x) < 0 for all x x in some interval I I then f (x) f ( x) is concave down …
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