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In Exercises 5-8, match the sequence with its graph. (b) T (©) ott 5. an = 72 + 1 10n 6. an = n +1 DOR 7. an =(-1) (-1) & a
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6 on = 10 , Q, V .5 nt / = 2.5 92 = 92 - 10 = 3:33. 95 = 2.5 93= L = 3.33, as = 2.5, 94 - 50 2 lim an = 10 is decreasing func© In - lon a = 10.5 10x 2 20 1 x 3 15 9 = long .15 2 a 4 10 / - 10 lim an = lim no an son Therefore, i 18 an increasing sequeTherefore the correct graph of 9 - on 18 (c) 1 an = (-1) 9:-1, 92 = (-1)² = 1 93 = (-1) 3 =-1, 94 = (-1) = 1 Therefore TheretIt is an alternating sequence which decreuses to zero. 1 2 3 4 5 6 8 9 10 Therefore, the conect graph of 12 - (018 (6)] There

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