Dowling, L. Wayland (Linnaeus Wayland), b. 1867, Turneaure, F. E. (Frederick Eugene), 1866- · New York, H. Holt and company · leaf 52
. At the same time the function y firstdecreases from 18 to 0 and then increases from 0 to 18. When a function ceases to decrease and begins to increase, orvice versa, it is said to have a turning point. Thus, the functiony = 2 x^ has a turning point at the origin. Art. 27] GRAPHIC REPRESENTATION… … Fig. 25 variable they exist. At a turning point, the function has a max-imum or a minimum value. EXERCISES 1. Draw the graph of the function y = 2 x + 3. Find the coordinates ofthe points where the graph crosses the axes. Does the function have turn-ing points, or is it a monotone function ? 2.…
Geometry, Analytic
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