3 Answers: B, D and E
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Step-by-step explanation:
Let's go through the answer choices one by one to see which are true, and which are false.
- A) False. The three dots at the end of the given list of numbers tells us the pattern goes on forever. This sequence has infinitely many terms.
- B) True. The first four terms are -3, 5, -7, 9, showing that the fourth term is indeed 9.
- C) False. The fifth term is -11, and not 2. If it said f(2) = 5, then the statement would be true because the 2nd term is 5.
- D) True. The domain is {1, 2, 3, 4, ...} which are indexes for the term numbers. For example, the input n = 4 is part of the domain to get us to f(4) = 9. In other words, the input 4 leads to the output 9.
- E) True. The notation (4,9) is another way of saying "the 4th term is 9", which is equivalent to the notation f(4) = 9.