Exercise 5.7.11 Describe the concavity of the functions below. (a) y=x2−x (g) y=3x2−(1/x2) (m) y=x+1/x (b) y=2+3x−x3 (h)
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Exercise 5.7.11 Describe the concavity of the functions below. (a) y=x2−x (g) y=3x2−(1/x2) (m) y=x+1/x (b) y=2+3x−x3 (h)
Exercise 5.7.11 Describe the concavity of the functions below. (a) y=x2−x (g) y=3x2−(1/x2) (m) y=x+1/x (b) y=2+3x−x3 (h) y=sinx+cosx (n) y=x2+1/x (c) y=x3−9x2+24x (i) y=4x+1−x (o) y=(x+5)1/4 (d) y=x4−2x2+3 (i) y=(x+1)/5x2+35 (p) y=tan2x (e) y=3x4−4x3 (k) y=x5−x (q) y=cos2x−sin2x (f) y=(x2−1)/x (l) y=6x+sin3x (r) y=sin3x
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