Practice Your Skills 1. Match each description of a sequence to its recursive formula. a. The first term is -18. Keep adding 4.3. i. u = 20 Un = Un-1 + 6 where n 22 b. Start with 47. Keep subtracting 3. ii. u = 47 where n22 c. Start with 20. Keep adding 6. iii. u, = 32 u„ = 1.5 - u„-1 where n> 2 d. The first term is 32. Keep multiplying by 1.5. iv. u=-18 u, = Un-1 +4.3 where n> 2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Can you please help me with number 1
Practice Your Skills
1. Match each description of a sequence to its recursive formula.
a. The first term is -18. Keep adding 4.3.
i. u, = 20
Un = Un-1 +6 where n22
b. Start with 47. Keep subtracting 3.
ii. u, = 47
U = Un-1 - 3
where n2 2
c. Start with 20. Keep adding 6.
iii. u, = 32
U, = 1.5 - un-1 where n> 2
d. The first term is 32. Keep multiplying by 1.5.
iv, u = -18
u, = Un-1 + 4.3 where n> 2
Transcribed Image Text:Practice Your Skills 1. Match each description of a sequence to its recursive formula. a. The first term is -18. Keep adding 4.3. i. u, = 20 Un = Un-1 +6 where n22 b. Start with 47. Keep subtracting 3. ii. u, = 47 U = Un-1 - 3 where n2 2 c. Start with 20. Keep adding 6. iii. u, = 32 U, = 1.5 - un-1 where n> 2 d. The first term is 32. Keep multiplying by 1.5. iv, u = -18 u, = Un-1 + 4.3 where n> 2
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