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Question 1087076: A newborn baby weighed 11 pounds at birth and was 22 inches tall. After 66 months the baby weighs 17 pounds and is 25 inches tall.
Write a linear function W(t) to represent the baby’s weight in pounds (W) at t months of age. Enter exact answers only, no approximations. W(t)=
Write a linear function H(t) to represent the baby’s height in inches (H) at t months of age. Enter exact answers only, no approximations. H(t)=
What will the child’s weight and height be on their first birthday? ROUND YOUR ANSWERS TO THE NEAREST WHOLE NUMBER.
W(12)=
H(12)=
I am confused I was thinking it added 6 and then 3 to the inches but I don't know how to word it
Answer by KMST(5328)   (Show Source):
You can put this solution on YOUR website! I hope there is a typo and the problem should read that after 6 months the baby weighs 17 pounds and is 25 inches tall, because 66 months is 5 and a half years old, and a five year old child of that size would be dead or about to die from malnutrition or starvation.
If a child is born weighing 11 pounds and measuring 22 inches in length,
and 6 months later weighs 17 pounds and measures 25 inches in length,
assuming that weight,  , and length,  ,
are linear functions of time  , in months,
those functions are
 <--->  and
 <--->  .
Then, assuming that the child continues to grow linearly,
at 1 year old  , the child's weight and height would be
 <--->  and
 <--->  .
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