63-76. Concavity Determine the intervals on which the following functions are concave up or concave down. Identify any inflection points. 63. f(x) = x² – 2x³ +1 - 64. fƒ(x) = −x² – 2x³ + 12x² 65. f(x) = 5x4 - 20x³ + 10 1 66. f(x) 1+x² 67. f(x) = e(x − 3) 68. f(x) = 2x² In x - 5x² 69. g(t) = ln (3t² + 1) 70. g(x)=√x -4 71. f(x) = e-x²/2 72. p(x) = x¹e +x 73. f(x)=√x ln x 74. h(t) = 2 + cos 2t on [0, π] 75. g(t) = 3t5 - 30t4 + 80t³ + 100 76. f(x) = 2x¹ + 8x³ + 12x²-x-2 =
63-76. Concavity Determine the intervals on which the following functions are concave up or concave down. Identify any inflection points. 63. f(x) = x² – 2x³ +1 - 64. fƒ(x) = −x² – 2x³ + 12x² 65. f(x) = 5x4 - 20x³ + 10 1 66. f(x) 1+x² 67. f(x) = e(x − 3) 68. f(x) = 2x² In x - 5x² 69. g(t) = ln (3t² + 1) 70. g(x)=√x -4 71. f(x) = e-x²/2 72. p(x) = x¹e +x 73. f(x)=√x ln x 74. h(t) = 2 + cos 2t on [0, π] 75. g(t) = 3t5 - 30t4 + 80t³ + 100 76. f(x) = 2x¹ + 8x³ + 12x²-x-2 =
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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