Math Question ?

A newborn baby weighed 11 pounds at birth and was 16 inches tall. After 6 months the baby weighs 15 pounds and is 29 inches tall.

a) 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.
b) What will the child’s weight and height be on their first birthday? Round to the nearest whole number.
W(12)= 

llaffer2021-03-16T16:19:45Z

I just answered this same question 2 hours ago. different numbers, but the same work is used. 

/question/index?qid=20210316134928AAsnnWz

billrussell422021-03-16T16:17:25Z

but those numbers are approximations. For example 11 pounds is probably somewhere between 10.5 and 11.5 pounds.

so there is no exact answer possible.