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CHAPTER / PATTERNS IN NATURE 13 Progress Check Section 2: Numbers and Patterns in Nature and the World Name: ed asving groupse ard for Date: Score: Year/Section:. Professor: Instruction. Find the sum of the following sequences. A. Evaluate the following. 1. A sequence is given by the formula an = 3n + 5, for n = 1, 2, 3,.... Write down the first five terms of this sequence. 0+2,01 2. A sequence is given by un an = (12) , for n = 1, 2, 3,.... Write down the first five terms of this sequence. 3. What is the 12th term of problem #2