Tutorial 10 Answers - Tutorial 10 (Answers) –...

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Unformatted text preview: Tutorial 10 (Answers) – Introduction to Calculus and Linear Algebra Tutorial 10 – Answers Introduction to Calculus and Linear Algebra 1. 7. x = 0, 1; (0, 2) rel. min.; (1, 3) neither. 2. x = –1; (–1, 3) neither. ⎛ ⎛ 3⎞ 3⎞ ⎟ max; ⎜ − 3 ,− ⎟ min. x = 1; (1, 0) neither. 4. t = − 3 , 3 ; ⎜ 3 , ⎟ ⎜ ⎜ 6 ⎠ 6 ⎟ ⎠ ⎝ ⎝ ⎛ 8⎞ t = –2, 0, 1, 4; (0, 0) max. ⎜ 4, ⎟ min. 6. t = 0, –1, 1; (0,1) max; (–1, 0) and (1, 0) min. ⎝ 9⎠ –2, min.; 0, neither; 2, max.; 8. –1, neither; 4/3 max. 9. When t = 0.9 hour. 3. 5. 10. When x = 10 (the denominator is not defined at x = –10). An expenditure of 10 million dollars results in the larges percentage of pollution removal. Page 1 of 1 ...
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This note was uploaded on 03/19/2012 for the course COMP 3868 taught by Professor Keithchan during the Spring '97 term at Hong Kong Polytechnic University.

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