Answer #20

18. Where does f achieve its maximum value in the interval [0, 15]? Justify your answer. In Exercises 19-22, answer each of the following questions about the given function. Express your answers exactly-for example, as v3-rather than in decimal form. (a) Where is the function increasing?other (b) Where is the function decreasing? (c) Where does the function have local maxima? (d) Where does the function have local minima? the only p 19. f(x ) =x3 - 3x2+5 if and Jard be d bos o to zoulay bart to (20. s (t) = -819 +918 -7-10 58 = (21 10 dgong gift of 21. 8(w) =7w9 -18w7+63 onflob golfonul med \\ rod 22. h(r) =5r6+6r5 -15rocha saiwollor stichsun In Exercises 23-26, find the maximum and the minimum value of the function over the given interval. 23. f (x) = x3 - 3x + 5; [0, 2] property that the derivativ 24. f(x) =1+2x3 - x4; [-1, 2] 2 WRT XD 4 120 25. f(x) = Vx-3/x; [0.25, 1] mog ord is allow robige A 26. f(x) =x3 - x2; [-2, 0] to ross ape Izxil againsta owl