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# h = 3a + 28.6A pediatrician uses the model above to estimate the height h of a b...

### Question

h = 3a + 28.6

A pediatrician uses the model above to estimate the height h 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?

A)
3
B)
5.7
C)
9.5
D)
14.3