Question

Sarah is keeping track of the amount of money she has saved. The table provided shows how much money she saves each week
x intercept=week
y intercept=money saved
(1, 15) (2,20) (3,25) (4,30) (5,35)
Write a recursive formula for finding the money saved for each new week.
a sub 1 =
a sub n =

Answer 1

Answer:

(n×5)+10

Step-by-step explanation:

n = Number of weeks

(n × 5) + 10

no of

weeks × 5 + 10

1 × 5 +10 = 15

2 × 5 + 10 = 20

3 × 5 + 10 = 25

4 × 5 + 10 = 30

5 × 5 + 10 = 35

So the formula is

(n×5)+ 10

Where n is equal to no of weeks

Hope its clear for you

All the best

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