(a) What is a sequence? A sequence is an unordered list of numbers. A sequence is the sum of an ordered list of numbers. A sequence is an ordered list of numbers. A sequence is the sum of an unordered list of numbers. A sequence is the product of an ordered list of numbers. (b) What does it mean to say that lim n → ∞ an = 8? The terms an approach 8 as n becomes large. The terms an approach 8 as n becomes small. The terms an approach infinity as n become large. The terms an approach -infinity as 8 approaches n. The terms an approach infinity as 8 approaches n. (c) What does it mean to say that lim n → ∞ an = ∞? The terms an become large as n becomes large. The terms an become large as n becomes small. The terms an approach zero as n becomes large. The terms an become small as n becomes small. The terms an become small as n becomes large.