In a test of a diet for pigs,the average live weight w (in kilograms)of a pig was a linear function of the number d of days after the start of the diet,where 0 ≤ d ≤ 50.The weight of a pig at the beginning of a diet was 25 kg and thereafter the pig gained 5 kg every nine days.(a)Express w as a function of d.(b)Find the weight of a pig 36 days after the beginning of the diet.

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The Answer of In a test of a diet for pigs,the average live weight w (in kilograms)of a pig was a linear function of the number d of days after the start of the diet,where 0 ≤ d ≤ 50.The weight of a pig at the beginning of a diet was 25 kg and thereafter the pig gained 5 kg every nine days.(a)Express w as a function of d.(b)Find the weight of a pig 36 days after the beginning of the diet.

In a Test of a Diet for Pigs,the Average Live