Long description: block6-fig4
Alt text: Three graphs are displayed side-by-side, showing the shapes of various mathematical functions.
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- The leftmost graph shows a V-shape, characteristic of an absolute value function, with its vertex at the origin.
- The middle graph displays a parabola opening upwards, resembling the graph of a quadratic function, with its minimum point at the origin.
- The rightmost graph illustrates a continuous, wave-like curve that oscillates around the horizontal axis.