Math 017 Materials With Exercises

11 a) x 1 b)12 a) x abcx a b42 b 3b2b) b a c c) a d) a e) u a f) b a cc xy t 2 1x ( x 1)i) y x j) A 1x 1x 1k) s 1s s 3tv or v n)331m 2nx o) 12 22n mxxd b) x y( d e)c) y yd eb t t b bb bb) a or a 1 c) t or t tt1 a a 1h) xm) t13 a) e14 a) at g)x l)x p)15 x= a 9 = −116 n = −m = 417 a)2Ah bb) h 4 inches18P 2L Pa) W or W L2 2b) W 1 c) W 2 inchesLesson 103m 2n5bya 2x3b3m 2b b 1b1 For example x= 3 or x= −2 (answers vary). The same numbers could be solutions for the other inequality. Both xx state the same condition (are equivalent)2 a) and d)3 For example x= −1 or x= −3 or x= −10 (answers vary.)42x 35. 3, 2 , 1, 0, 1, 2, 3, 4, 56. 3, 2 , 17 −.666, −6, −0.68 a) x 0 b) x 0 c) x 6 d) x 6 e) x 69 , 0, 1, 2, 3, 4, 5b)c)d)e)f)128Answers to Exercises