Question

On Monday, Cheyenne starts with a slow jog for five minutes. She then increases her rate to a faster constant pace for five minutes. She takes a five-minute break, then runs for another 5 minutes at a constant pace to finish her two-mile run. She rests for the rest of the time. What domain interval represents her fastest pace of the run?

(1 point)

0.25≤m<1.5


0≤m<5


15≤m<20


5≤m<10

Answer 1

5≤m<10

Explanation: 0–5 min is slow jog, 5–10 min is the increased faster pace, 10–15 min is a break, and 15–20 min is another run (not described as faster). Thus the fastest pace occurs on 5≤m<10.