Question: For problems 1 - 8, write an explicit rule for the sequence. Show all work. 1) 1. 2, 4. 8. ... 2) 7, -35, 175,

For problems 1 - 8, write an explicit rule for the sequence. Show all work. 1) 1. 2, 4. 8. ... 2) 7, -35, 175, -875, ... 2 3 9 27 3) 2. - 2'8' 32 4) 3 6 12 24 5' 25' 125' 5) 4. 2. 1, 0.5, ... 6) -0.3. 0.6, -1.2, 2.4, ... 13 15 7) ' 2' 4' 8) -2, -0.8, -0.32, -0.128. ... 9) What is a rule for the nth term of the geometric sequence 5, 20, 80, 320, ...? a) a, = 5(2)" b) a, = 5(4)" c) a, = 5(-4)" d) a, = 5(-2)"- For problems 10 - 14, write an explicit rule for the geometric sequence with the given term and common ratio. Show all work. 10) a2 = 15, r =; 2 11) as = 1, 1 = 12) a4 = -12, 1 = -- 13) a3 = 75, r = 5 14) a2 = 8, r =4

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