Use calculator graphs to make approximations for each of the limits in Exercises 67–74. 67. lim(3 – 4x - 5x²) 68. lim (–0.2r5 + 100x) X4 x00 3 — х 69. lim x→1 x – 1 x+1 70. lim x2 x - 2 x100 71. lim Inx 72. lim X00 X 1- cosx sinx 73. lim X0 X 74. lim

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