Question

Determine the domain for the interval of decrease.

d
Distance (km)
60
50
40
30
20
10
8 9 10 11 12 1 2 3 4
am
noon
p.m.
Time of the day
A2≤x≤5
B8≤x≤ 10
3≤x≤5

Answer 1

The domain for the interval of decrease is 3 ≤ x ≤ 5