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Salsk061 [2.6K]
2 years ago
7

The value of a baseball​ player's rookie card began to increase once the player retired. When he retired in 1998 his card was wo

rth ​$8.59. The value has increased by ​$2.05 each year since then. Express the relationship relating the value of the card y in dollars and the number of years x the player has been in retirement with an equation. Is the relationship between x and y​ proportional? What was the value of the card in 2009 ​?
Mathematics
1 answer:
Sergio039 [100]2 years ago
6 0
Y=2.05(X)+8.59
Yes because the value of y (value of card) changes as (x) amount of years pass by.
In 2009, the card is worth $31.14
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