Mia started with a savings of $⁢1,000 Due to unforeseen circumstances, she had to use $⁢40 from her savings every week to supplement her income. Which linear function represents the amount in Mia's savings over x weeks?

Mia begins with $1,000, so the savings amount has an initial value of 1,000. She uses $40 each week, meaning her savings decrease by 40 for every week x. Therefore, the amount remaining is y = 1000 − 40x, which is choice C.

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