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12 November, 04:36

Johnathan has been on a diet since January 2013. so far, he has been losing weight at a steady rate. Based on monthly weigh-ins, his weight, W, can be modeled by the function w=-3m+205 where m is the number of months after January 2013.

a) how much did Johnathan weigh at the start of the diet?

b) how much weight has Johnathan been losing each month?

c) how many months did it take Johnathan to lose 45 pounds?

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  1. 12 November, 05:58
    0
    His weight is 205 lbs

    He loses 3lbs per month

    It will take Jonathan 15 months to lose 45 lbs
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