148exam2Bsol - Math 148 Practice Midterm 2 Form B Solutions...

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Math 148 Practice Midterm 2 Form B Solutions 1. 120 x = 2. (a) ( ] [ ) , 1 2, −∞ − (b) ( 5) 7 ( 3) 5 ( 1) 3 (2) 1 (3) 11 f f f f f = = = = = (c) 3. 1 2 x = − 4. 3ln(10) 1 1 2ln10 x = 5. (a) (2) $3416.485 (b) (2) $3418.685 (c) (2) $3419.639 (d) (2) $3399 (c) is the best choice and (d) is the worst choice with a loss of $20.84.
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