# Practice+test+4+answers - Practice test for test 4 Note:...

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1 Practice test for test 4 Note: converting to pdf eliminated some parentheses. Evaluate or simplify the following. Definite integrals should have exact values, not approximate values. 2 e is an exact value. 7.389056 is an approximate value. 1. 1 7 dx x = ln 7 x C 2. 2 6 5 2 x x x dx = 3 2 32 5 2 23 22 x x x x C 3. 5 7 t e dt = 5 7 5 x eC 4. 2 5 3 x dx = 7 5 5 5 7 3 xC 5. 7 93 9 x dx xx = 2 6 1 9ln 18 2 x x 6. OMIT 7. 5 4 0 6 t e dt = 5 4 6 4 0 t e = 4 5 4 0 20 3 3 3 3 2 2 2 2 e e e 8. 3 54 2 12 10 x x dx = 3 65 2 = 908 9. 6 3 5 dx x = 6 3 5ln 5ln6 5ln3 5ln 2 x or 10. If 1 3 '4 h x x and 27 240 h find hx . 1 4 4 3 3 3 3 4 4 4 3 h x x dx x C x C 4 3 27 3 27 240 hC 4 3 240 3 27 3 C 4 3 33 h x x 11. If 5 ' 10 x h x e and 10 2 7 2 he find 55 10 2 h x e dx e C 5 2 10 2 2 7 2 h e C e 7 C 5 27 x h x e 12. To the right is the graph of f(x). Set up an expression that estimates the area under f(x) on the interval 66 x using right endpoints and three subintervals. Do not evaluate. 4 6.2 4 9.2 4 9.9

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2 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 13.
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## This note was uploaded on 08/27/2011 for the course MA 160 taught by Professor Teresas.mccullough during the Fall '10 term at Montgomery CC.

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Practice+test+4+answers - Practice test for test 4 Note:...

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