97) 4x y 1 or y 1 2 x 5 98) 2x 5y 10 and y 1 3 x 4 99) 4x 2y 6 and y 2 100) 2x y 3 or 6x y 4 (4.5) Identify the domain and range of each relation, and determine whether each relation is a function. 101) {(3, 1), (5, 3), (5, 3), (12, 4)} 102) 2 6 5 018 13 103) Beagle Siamese Parrot Dog Cat Bird 104) x 5 25 5 25 105) x y 5 5 5 5 Determine the domain of each relation, and determine whether each relation describes y as a function of x. 106) y 4x 7 107) y 8 x 3 108) y 15 x 2 x 109) y 2 6 111) y 110) y x 5 7x 2 Determine if each pair of lines is parallel, perpendicular, or neither. 70) y 1 2 x 7 71) 9x 4y 1 5x 10y 8 27x 12y 2 72) 4x 6y 3 73) y 6 3x 2y 2 x 2 74) x 3 x 1 75) y 6x 7 4x y 9 76) x 2y 22 2x y 0 Write an equation of the line parallel to the given line and containing the given point. Write the answer in slope-intercept form or in standard form, as indicated. 77) y 5x 14; (2, 4); slope-intercept form 78) y 3x 1; (5, 19); slope-intercept form 79) x 4y 9; (5, 3); standard form 80) 5x 3y 7; (4, 8); slope-intercept form Write an equation of the line perpendicular to the given line and containing the given point. Write the answer in slope-intercept form or in standard form, as indicated. 81) y 1 2 x 9; (6, 5); slope-intercept form 82) y x 11; (10, 8); slope-intercept form 83) 2x 11y 11; (2, 7); slope-intercept form 84) 2x 3y 15; (5, 7); standard form 85) Write an equation of the line parallel to x 7 containing (2, 3). 86) Write an equation of the line parallel to y 5 containing (4, 9). 87) Write an equation of the line perpendicular to y 6 containing (1, 3). 88) Write an equation of the line perpendicular to x 7 containing (6, 0). (4.4) Graph each linear inequality in two variables. 89) y 2x 7 90) y 3 2 x 2 91) 3x 4y 12 92) 5x 2y 8 93) y x 94) x 4 Graph each compound inequality. 95) y 3 4 x 4 and y 5 96) y 5 4 x 5 or y 3 224 CHAPTER 4 Linear Equations in Two Variables and Functions www.mhhe.com/messersmith
messersmith_power_intermediate_algebra_1e_ch4_7_10
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