The altitude of an airplane is described by a certain function h , where h(t) is the altitude in feet of the airplane t minutes after 8: 00 a. m. which best describes the meaning of the statement h(0)=400 ?

a. the airplane’s altitude was 400 feet at 8: 00 a. m.

b. the airplane’s altitude was 400 feet at 12: 00 a. m.

c. the airplane’s altitude increased by 0 feet after 400 minutes.

d. the airplane’s altitude reached 0 feet after 400 minutes.

no explanation ty