Explore Westonci.ca, the top Q&A platform where your questions are answered by professionals and enthusiasts alike. Discover precise answers to your questions from a wide range of experts on our user-friendly Q&A platform. Get precise and detailed answers to your questions from a knowledgeable community of experts on our Q&A platform.

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 ?