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After a baby was born, he began to gain weight at a rate of 2 pounds per month. The weight of the baby at birth was 12 pounds. Make a table of values and then write an equation for W, in terms of t, representing weight, in pounds, of the newborn baby t months after birth.

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rspill6

Answer:

The baby will weigh 12lbs+ (t months)*(2lbs/month) in t months.

Step-by-step explanation:

Rate of weight gain is 2lbs/month.  This is added to the initial weight of 12 pounds.  The table shows age, in months, and weight, in pounds

Month    Weight(lbs)

 0                 12

 1                   14             [12lbs + (1 month)*(*2`lbs/month)]

 2                 16             [12lbs + (2 month)*(*2`lbs/month)]

 3                 18              [12lbs + (3 month)*(*2`lbs/month)]

 4                 20            [12lbs + (4 month)*(*2`lbs/month)]

 t                 12+ t*2       [12lbs + (t month)*(*2`lbs/month)]

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