An airplane's change in altitude before landing is shown in the table. What equation
represents this change in altitude?
a = -4,000m + 23,000
Minutes
(m)
Altitude
(a)
a = -4,000m + 39,000
35,000 ft
31,000 ft
a = -4,000m
27,000 ft
a = -4,000m + 35,000
23,000 ft