For children between ages 6 and 10, height y (in inches) is frequently a linear function of age t (in years). The height of a certain child is 45 inches at age 6 and 47.5 inches at age 7.
a) express y in terms of t.
b) interpret the slop
(inches/year, year, inches, year x inches, or year divided by inches.)
c) predict the height of the child at age 10
