College Algebra Departmental Review Answers 1] Domain {3, 18, 35, 57}, Range {-4, 2, 6}, not a function – – 2] Domain [, Range [), function – – 3] 4] 5] a) (-3,0) b) (0,6) c) ) d) ) e) 2 6] a) b) inches 7] 8] 9] a) b) 30 mph c) 20 miles d) 117.5 miles 10] 11] 12] 13] by 14] 15] $10,000 at 3.5% and $20,000 at 4.5% 16] a) b) c) d) e) 17] shift right 8, vertical shrink by a factor of 1/4, reflect over the x-axis, shift up 3 18] 19] 20] a) Initial 46,000 gallons, final 24,000 gallons b) during the 1st day and 4th day c) (thousand), (thousand) – – d) 5000 gallons per day 21] a) b) d) 22] 23] a) b) c) d) e) f) 24]
College Algebra Departmental Review Answers 1] Domain – {3, 18, 35, 57}, Range – {-4, 2, 6}, not a function 2] Domain – [, Range – [), function 3] 4] 5] a) (-3,0) b) (0,6) c) ) d) ) e) 2 6] a) b) inches 7] 8] 9] a) b) 30 mph c) 20 miles d) 117.5 miles 10] 11] 12] 13] by 14] 15] $10,000 at 3.5% and $20,000 at 4.5% 16] a) b) c) d) e) 17] shift right 8, vertical shrink by a factor of 1/4, reflect over the x-axis, shift up 3 18] 19] 20] a) Initial – 46,000 gallons, final – 24,000 gallons b) during the 1st day and 4th day c) (thousand), (thousand) d) 5000 gallons per day 21] a) b) d) 22] 23] a) b) c) d) e) f) 24]
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