In Exercises 49-62, graph each equation in a rectangular coordinate system. 49. y = 3 50. y = 5 51. f(x) = -2 52. f(x) = -4 53. Зу %3D 18 54. 5y = -30 55. f(x) = 2 58. х 3D 4 56. f(x) = 1 57. x = 5 59. 3x = -12 60. 4х - 12 61. х %3D0 62. y = 0

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