Let f(t)be the number of centimeters of rainfall that has fallen since midnight, where is the time in hours. Match the following statements to their interpretations, given below.

a) f(9) = 2.5 __
b) f^-1(4)=12 __
c) f'(9) = 0.3 __
d) (f^-1)'(4) = 2 __

Interpretations:
1: when 2 centimeters have fallen, rain is accumulating at a rate of 1/4 cm/hr
2: at 9 hours after midnight, 0.3 centimeters of rain have fallen
3: 0.3 centimeters of rain have fallen 9 hours after midnight
4: at 2.5 hours past midnight, 9 centimeters of rain have fallen
5: when 4 centimeters of rain have fallen, it is accumulating at a rate of 1/2 cm/hr
6: at 0.3 hours after midnight, rain is falling at a rate of 9 cm/hr
7: at 9 AM, the rain is falling at a rate of 0.3 cm/hr
8: at 12 hours after midnight, rain is falling at a rate of 4 cm/hr
9: at 4 hours after midnight, 12 centimeters of rain have fallen
10: when 2 centimeters of rain have fallen, rain is falling at a rate of 4 cm/hr
11: when 2 centimeters have fallen, rain is accumulating at a rate of 1/4 hr/cm
12: 4 centimeters of rain have fallen 12 hours after midnight
13: at 9 AM, 2.5 centimeters of rain have fallen
14: at 2 hours after midnight, rain is falling at a rate of 4 cm/hr
15: at 4 hours after midnight, rain is falling at a rate of 2 cm/hr
16: at 9 AM, rain is falling at a rate of 2.5 cm/hr