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angela107
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- Homework Statement
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When a graph is concave down, it means that the shape of the curve is facing downwards, resembling a frown. This indicates that the function is decreasing at an increasing rate.
To determine the intervals where a graph is concave down, you need to look for points on the graph where the slope of the curve is decreasing. This means that the second derivative of the function is negative in those intervals.
Knowing the intervals where a graph is concave down can help in understanding the behavior of the function. It can also be used to identify the maximum points on the graph, as the concavity changes from down to up at these points.
Yes, a graph can be concave down at multiple intervals. This means that the function is decreasing at an increasing rate in those intervals.
The information about concavity can help in analyzing the behavior of the function. It can be used to identify the maximum and minimum points on the graph, as well as the points of inflection. It can also help in determining the direction of the graph at different points.