The altitude at which we boil an egg affects how long it takes for the egg to achieve perfect hardness. It takes 198198198 seconds to boil a perfect egg at the lowest place possible, the edge of the Dead Sea, which has an altitude of -418−418minus, 418 meters.
The highest place possible is the summit of Mount Everest which has an altitude of 884888488848 meters. It takes 209209209 seconds to boil a perfect egg there.
T(a)T(a)T, left parenthesis, a, right parenthesis models the time (in seconds) it takes to boil a perfect egg at an altitude of aaa meters.
Which number type is more appropriate for the domain of TTT?
Choose 1
Choose 1

(Choice A)
A
Integers

(Choice B)
B
Real numbers
What's the appropriate domain?
Choose 1
Choose 1

(Choice A)
A
198\le a\le 209198≤a≤209198, is less than or equal to, a, is less than or equal to, 209

(Choice B)
B
198\le a\le 8848198≤a≤8848198, is less than or equal to, a, is less than or equal to, 8848

(Choice C)
C
-418\le a\le 209−418≤a≤209minus, 418, is less than or equal to, a, is less than or equal to, 209

(Choice D)
D
-418\le a\le 8848−418≤a≤8848minus, 418, is less than or equal to, a, is less than or equal to, 8848