Every Saturday, Justin gets an allowance of $10 from his parents. During every week since Justin began getting an allowance, he spends $8 and saves the remaining $2 of his allowance before he receives his next allowance. The sequence shown represents the amount of money Justin has right before and right after he gets his allowance for six consecutive weeks, starting with $0. 0, 10, 2, 12, 4, 14, 6, 16, 8, 18, 10, 20 Explain why this sequence is or is not a function?
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This sequence is function in two parts , Amount saved before start of week = 2n - 2 and Amount after start of Week = 2n + 8 , where n is number of week
Step-by-step explanation:
Amount
0 , 10 , 2 , 12 , 4 , 14 , 6 , 16 , 8 , 18 , 10 , 20
This is an alternating sequence
0 2 4 6 8 10
Amount Saved
Amount saved before start of week = 2n - 2
10 12 14 16 18 20
Amount after getting Allowance
Amount after start of Week
= 2n + 8
This sequence is function in two parts
Amount saved before start of week = 2n - 2
Amount after start of Week = 2n + 8
where n is number of week
Learn more:
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