Veronica earned $150 at work this past week in her paycheck. She wants to buy some necklaces which costs $6 each. She writes a function to model the amount of money she will have left from her paycheck after purchasing a certain number of necklaces. She writes the function, f (x) = 15 - 6x. Determine what x and f (x) stand for in the function.

(1) x=weeks; f (x) = dollars left

(2) x=dollars left; f (x) = weeks

(3) x=necklaces; f (x) = dollars left

(4) x=dollars left; f (x) = necklaces

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11 February, 01:29

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Marc Mercado · Answer 1

The answer is (3) x=necklaces; f (x) = dollars left. However, the function should be f (x) = 150-6x, because she started with $150.