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Please help with question 5!

Please help with question 5!
asked 175k views
3 votes
Please help with question 5!

Please help with question 5!-example-1
asked
User Squis
by
8.4k points

1 Answer

6 votes

Answer:

68

Explanation:


a_2=2a_1+4=2\cdot 5+4=14\\\\a_3=2a_2+4=2\cdot 14+4=32\\\\a_4=2\cdot 32+4=68

a₄ = 68

_____

The explicit formula is

an = 9·2^(n-1) -4

answered
User Shakespeare
by
8.5k points
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