Intermediate Algebra (11th edition)

(a) (b)7.9 ft 120.no 121. 122. 3 126. 127. 1 132. 133. 1 ...

39.B; factoring 41.C; quadratic formula 43.A; factoring 45.D; quadratic formula ...

A-22 Answers to Selected Exercises 27.vertex: 4, 0 ; axis: domain: range: 29.vertex: axis: domain: range: 31.vertex: axis: domai ...

49.domain: range: 51.function Chapter 9 Review Exercises (pages 562–566) 7.By the square root prope ...

Section 10.1 (pages 577–580) 1.This function is not one-to-one because both France and the United States are paired with the sam ...

31.12.179 33. (a)0.6°C (b)0.3°C 35. (a)1.4°C (b)0.5°C (a)5028 million tons (b)6512 million tons (c)It is less than what the mo ...

31.1.4609 32. 33.3.3638 34. 35.0.9251 36.1.7925 37.6.4 38.8.4 39. 40.Magnitude 1 is about 6.3 times as intense as ma ...

[3.1]10. [3.4]11. [3.2, 3.5]12. (a)yes (b)3346.2; The number of travelers increased by an average of 3346.2 thousand per year du ...

41.By the vertical line test the set is not a function, because a vertical line may intersect the graph of ...

43.length: 12 ft; width: 7 ft 45.$20; thousand or 800 calculators 47. Section 11.5 (pages 667–668) 1.C 3.B 5.A ...

Chapter 11 Test (page 674) [11.1]1. 0 2. 3. (a)C (b)A (c)D (d)B 5.domain: ; range: 3 4, q 2 1 - q, q 2 3 0, q 2 5 ...

390 37. 395 39.31,375 41.$465 43.$2100 per month 45.68; 1100 47.no; 3; 9 49. 18 51. Section 12.3 (pages 698–700) 3.not geomet ...

[10.2]37. 38. [10.3]39. [10.6]40. [9.5]41. [11.2]42. [11.3]43. [11.4]44. [11.2]45. [12.1]46. 3, 8, 13 [12.2, 12.3]47. (a) 78 (b) ...

Glossary G-1 For a more complete discussion, see the section(s) in parentheses. absolute value The absolute value of a number is ...

commutative property of multiplication The commutative property of multiplication states that the order of the factors in a prod ...

exponential equation An exponential equa- tion is an equation that has a variable in at least one exponent. (Section 10.2) expon ...

interval notation Interval notation is a simplified notation that uses parentheses and/or brackets and/or the infinity sym- bol ...

ordinary annuity An ordinary annuity is an annuity in which the payments are made at the end of each time period, and the freque ...

relation A relation is a set of ordered pairs. (Section 3.5) rise Rise refers to the vertical change between two points on a lin ...

universal constant The number e is called a universal constant because of its importance in many areas of mathematics. (Section ...