Long description: workbook11block1fig1
Alt text: The image displays three graphs illustrating the concept of different types of derivatives at a point on a curve.
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- The first graph shows a curve labeled with 'A' and a line segment with a tangent angle labeled 'tâ', indicating the derivative at a specific point.
- The second graph displays a concave up curve labeled with 'A' and another line segment with a tangent angle labeled 'tâ', illustrating a different tangent calculation.
- The third graph presents a curve labeled with 'A' and a straight line tangent to the curve, with the angle of the tangent shown, representing a third example of a derivative calculation.