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Determine as and an for each geometric sequence. See Example 2. 15. a₁ = 5, r=-2 16. a₁ = 8, r=-5 + 17. a₂-4, r = 3 18. a3 = -2, r=4 19. a 243, r = -3 20. a4 = 18, r= 2

Determine as and an for each geometric sequence. See Example 2. 15. a₁ = 5, r=-2 16. a₁ = 8, r=-5 + 17. a₂-4, r = 3 18. a3 = -2, r=4 19. a 243, r = -3 20. a4 = 18, r= 2

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Solve question 19. Write out each step and describe what you are doing.
fn control Cher Topics in Algebra y be -1. )-1 00 I option command 15-45 odd Determine as and an for each geometric sequence. See Example 2. 15. a₁ = 5, r=-2 16. a₁ = 8, r=-5 17. a₂-4, r = 3 18. a3 = -2, r=4 19. a 243, r = -3 == 20. a4 = 18, r = 2 21. -4,-12, -36, -108, ... 22. -2, 6, -18, 54, ... 4 23. 2,5, 1 28 32 25 2'* 24. 3... 2'3'9'27' 5 5 9 27 81 25. 10, -5, 26. 3, 4' 16' 64¹ g Determine r and a for each geometric sequence. See Example 3. 27. a2=-6, a = -192 28. a₂ = -8, a7 = 256 29. a3 = 5, 48 = 6 1 30. a4 www. ag = 31. a3 = 50, a1 = 0.005 32. a3 = 300, ag = 128 Use the formula for S, to find the sum of the first five terms of each geometric see In Exercises 37 and 38, round to the nearest hundredth. See Example 5. 33. 2, 8, 32, 128,... 34. 4, 16, 64, 256, ... 9 9 4 4 1
Transcribed Image Text:fn control Cher Topics in Algebra y be -1. )-1 00 I option command 15-45 odd Determine as and an for each geometric sequence. See Example 2. 15. a₁ = 5, r=-2 16. a₁ = 8, r=-5 17. a₂-4, r = 3 18. a3 = -2, r=4 19. a 243, r = -3 == 20. a4 = 18, r = 2 21. -4,-12, -36, -108, ... 22. -2, 6, -18, 54, ... 4 23. 2,5, 1 28 32 25 2'* 24. 3... 2'3'9'27' 5 5 9 27 81 25. 10, -5, 26. 3, 4' 16' 64¹ g Determine r and a for each geometric sequence. See Example 3. 27. a2=-6, a = -192 28. a₂ = -8, a7 = 256 29. a3 = 5, 48 = 6 1 30. a4 www. ag = 31. a3 = 50, a1 = 0.005 32. a3 = 300, ag = 128 Use the formula for S, to find the sum of the first five terms of each geometric see In Exercises 37 and 38, round to the nearest hundredth. See Example 5. 33. 2, 8, 32, 128,... 34. 4, 16, 64, 256, ... 9 9 4 4 1
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