ER1s - Math 102 Review for Exam #1 Answers 1. (a) -4, (b)...

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Math 102 Review for Exam #1 – Answers 1. (a) -4, (b) 5/4, (c) 3 2. Continuous at x = 1 since all three conditions hold. Discontinuous at x = 2 since condition 2 does not hold, i.e., lim x 2 f x ( ) d.n.e. 3. f x ( ) is continuous on −∞ , 4 ( ) ∪ − 4,1 ( ) 1, ( ) . 4. f x ( ) is continuous on −∞ , ( 4 ] . 5. (a) Your answer should be f x ( ) = 14 x 9 . (b) Your answer should be f x ( ) = 1 x 2 . 6. (a) 4, (b) -23, (c) 10, (d) x = 7. (a) f x ( ) = 10 x 1 3 x 4 x 5 (b) y = x 2 x 3 5 ( ) (c) f x ( ) = x 2 8 ( ) 3 1 [ ] x + 5 ( ) 6 x x 2 8 ( ) 2 [ ] x 2 8 ( ) 6 (d) f x ( ) = 5 x 3 ( ) 4 x x 2 1 ( ) [ ] + x 2 1 ( ) 2 15 x 2 [ ] (e) f x ( ) = 3 4 x 2 12 x 4 1 2 x 3 (f) s t ( ) = 4 t 3 ( ) 2 t + 1 ( ) 3 t 2 2 [ ] t 3 2 t ( ) 4 t
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This note was uploaded on 03/16/2012 for the course MATH 102 taught by Professor Davidscheinker during the Spring '12 term at Drexel.

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ER1s - Math 102 Review for Exam #1 Answers 1. (a) -4, (b)...

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