Is y=10-x a function?
1 answer:
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Given:
The amount of money in Joel’s account is:
The amount of money in Kevin’s account is:
To find:
The function that correctly represents how much more money, in dollars, is in Joel’s account than in Kevin’s account x weeks after the start of the year.
Solution:
We need to find the difference between the function j(x) and function k(x).
Therefore, the correct option is D.