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jonny [76]
3 years ago
9

Kylie starts with $145 in her piggy bank. Each month she adds $20.

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

Answer:

2. a_{n} = a_{n-1} + 20  and a_{1} = 145

Step-by-step explanation:

We are given that, Kylie started with $145 in her piggy bank i.e. the initial amount in the piggy bag is $145 i.e. a_{1}=145

Now, it is provided that Kylie adds $20 each month in her piggy bank i.e. at the end of each month $20 is being added to the previous amount.

Hence, the recursive function is: a_{n} = a_{n-1} + 20 ,  where the initial amount is a_{1} =145.

ella [17]3 years ago
3 0
2. an=20+an−1 and a1=145

she starts with 145 so a1=145 and then adds 20 every month: an=20+an−1
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