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Even and Odd Functions In Exercises 63-72, use a graphing utility to graph the function and determine whether it is even, odd, or neither. 63. f(x) = 5 64. f(x) = -9 65. f(x) = 3x - 2 66. f(x) = 5 - 3x 67. h(x ) = *2 - 4 68. f(x) = -x2 - 8 69. f(x) = 1 - x 70. g(t) = 3t - 1 71. f(x) = |x+2 72. f(x) = -/x-51