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Dahasolnce [82]
3 years ago
12

A plane takes off and climbs steadily gor 30 minutes until it reaches 35,000 feet. It travels at that altitude for 2 hours until

it begins to descend to land, which it takes 15 minutes at a constant rate. Determine the domain and range.
Mathematics
1 answer:
horrorfan [7]3 years ago
6 0
This is a function where:
x - time in minutes;
y = f ( x ) - altitude of a plane in feet.
Max altitude = 35,000 feet
0.5 h + 2 h + 15 min = 30 min + 120 min + 15 min = 165 min
Domain:
x ∈ [ 0;  165 ]
Range:
y ∈ [ 0;  35,000 ]
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