Multiple Choice Question (MCQ)
h =3a+28.6
A pediatrician uses the model above to estimate the height of a boy, in inches, in terms of the boy’s age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy’s height each year?

✓
3

×
5.7

×
9.5

×
14.3