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Unformatted text preview: s (with units) on each of the intervals: i. [0 , 1] ii. [ . 5 , 1] iii. [1 , 1 . 5] iv. [1 , 2] v. [1 , a ] (c) Sketch secant lines for the rst four rates. 4. The voltage in a circuit is given by V ( t ) = | t | where t is measured in seconds and V is measured in Volts. 1 (a) Graph V ( t ) on the domain-3 t 3 seconds. Be sure to label your graph correctly. (b) Find the rate of change of V (with units) on each of the intervals: i. [-2 , 0] ii. [-1 , 0] iii. [0 , 1] iv. [0 , 2] v. [0 , a ] (c) Sketch secant lines for the rst four rates. Hints and Answers 2. d) 100(2 a/ 5-2) a-5 Critters per year; b) plug in 3 for a ; c) plug in 4, 6 and 7. 3. b)(v) 2 sin ( a-. 5)-2 a-2 ft/s; plug in numbers for (i)-(iv). 4. b)(i)-1 V/s, (ii)-1 V/s, (iii) 1 V/s, (iv) 1 V/s, (v) depends on whether a is positive or negative. Work the problem twice. 2...
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