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12 July, 00:26

Jorge bought a mechanical pencil for $8. A lead and eraser refill pack costs $2. Write a linear function to describe the cost of using the pencil as a function to describe the cost of using the pencil as a function of the number of refill packs.

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  1. 12 July, 00:31
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    X is number of refill packs

    f (x) = 8 * 2x
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