Chapter 2 - MDC Faculty Home Pages

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32) f(x) = 4 3 x3 - 12x2 + 10x + 46 A) (3, 0) B) (3, -26) C) (3, 4) D) (0, 4) 33) f(x) = (x + 2)2/3 - 7 A) (-2, -7), (0, 22/3 - 7) B) (-2, -7) C) (0, 22/3 - 7) D) No points of inflection exist Find the largest open intervals where the function has the indicated concavity. 34) Concave upward A) (0, ∞) B) (0, 3) C) (-3, ∞) D) (-3, 3) 35) Concave upward A) (-∞, 0) B) (0, ∞) C) None D) (-∞, 0), (0, ∞) 36) Concave downward A) (-1, 0) , (1, ∞) B) (-∞, -1) C) (-1, 0) D) (0, 1) 10 PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com 32) 33) 34) 35) 36)
Suppose that the function with the given graph is not f(x), but f′(x). Find the open intervals where the function is concave upward or concave downward, and find the location of any inflection points. 37) 38) 120 80 40 y -5 -4 -3 -2 -1 -40 1 2 3 4 5 -80 -120 x A) Concave upward on (-∞, 0); concave downward on (0, ∞); inflection point at 0 B) Concave upward on (-∞, -2) and (2, ∞); concave downward on (-2, 2); inflection points at -2 and 2 C) Concave upward on (-2, 2); concave downward on ( -∞, -2) and (2, ∞); inflection points at -2 and 2 D) Concave upward on (-∞, -2) and (2, ∞); concave downward on (-2, 2); inflection points at -120 and 120 8 6 4 2 y -5 -4 -3 -2 -1 1 2 3 4 5 -2 -4 -6 -8 x A) Concave upward on (-∞, -1) and (0, 1); concave downward on ( -1, 0) and (1, ∞; ); inflection points at -1, 0, and 1 B) Concave upward on (-1, 0) and (1, ∞); concave downward on (-∞, -1) and (0, 1); inflection points at -4, 0, and 4 C) Concave upward on (-∞, 0); concave downward on (0, ∞); inflection point at 0 D) Concave upward on (-1, 0) and (1, ∞); concave downward on (-∞, -1) and (0, 1); inflection points at -1, 0, and 1 11 PDF Created with deskPDF PDF Writer - Trial :: http://www.docudesk.com 37) 38)
Page 1 and 2: MAC 2233 Group Activity/Review #2-C
Page 3 and 4: 7) 8) A) None B) Relative minimum o
Page 5 and 6: 14) f(x) = x2 + x A) 2x3/2 - 1 x3/2
Page 7 and 8: 20) f(x) = 2x3 + 3x2 - 12x - 2 A) R
Page 9: Determine where the given function
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Page 15 and 16: (x - 3)(2x + 5) 57) x-intercepts of
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Page 21 and 22: 74) P(x) = -x3 + 27 2 x2 - 60x + 10
Page 23 and 24: 79) Find the maximum profit given t
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Page 27 and 28: 94) 9x3 - x2y3 = 7 A) 27x2 - 2xy2 x
Page 29 and 30: Answer Key Testname: MAC2233-GA-CHP
Page 31 and 32: Answer Key Testname: MAC2233-GA-CHP

Chapter 2 - MDC Faculty Home Pages

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