Th average height of femelle children from birth to age 16. The equation f(t)= -115(0.85)t +165 where h is height in cm and t is the age in years (A) find the average rate of change from 1 to 4 (B) using the estimation of h=0.01 find the instantaneous rate of change at age 7 Pls note ( 0.85)t in the equation the t is the exponent