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Exam1solutions

Exam1solutions - I You must show all work to receive full...

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I You must show all work to receive full credit! Indicate whether each of the following statements is true 1. (1 or point each) false: - n * y for all r > 0 and y > 0. Answer: F lt Sf Answer: T RU€ (b) l" ;!-lr:.7-: Fr'G{= -7rr-6)' 6-n (.) ,/{F : 3lrl. (" = rl5 txf (d) 3r2a^ - his a poiynomial of degree 6. (ZtVo* a Poly^o*'*J Answer: ilLf ( Answer: F ALS| 2. (2 pts. each): write the letter of your answer in the space provided. (a) Write using absolute value: the dislglgg !g!.gen { e44J is at least 5unituq. I f x-{-'t\ z s -.) lx*+l>r Answer: A a. lr+al 25 b. lr-51 )a c. lr-al >5 d. lr+51 >-4 Answer: B (b) ("'- 1)' : (x l-t)(x3- r) . a. re +L x'*'-x3- x3 *{ = b. 16 -2r3 +! x( -7r3 * ( c. 16+1 d. re -216 +1 12+a2 (c) Write 4{F in exponential form. \ / l(w)'4(tr"|") '1(x%) '4r a. (+r!ztz b . 47:F c. 41312 Answer: .F d. @r1ztz 2A

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3. (2 pts.) Express the foliowing number iine: (-*, 3) n l-.3, oo) in interval notation and graph on the interval(.;' [ -3, S) graph: 4. (2pts.) Given the set { -?,fi,r,0,-I.4,3.2,,23,
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Exam1solutions - I You must show all work to receive full...

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