6 A radar device has an antenna that revolves at a constant rate. The graph shows the
number of revolutions the device will make over time.
X RADAR DEVICE ANTENNA
Number of Revolutions
100
90
80
70
60
50
40
30
20
10
0 1 2 3 4 5 6 7 8 9 10
Time (minutes)
Which table shows the data for an antenna that revolves at exactly twice the rate
of the antenna described in the graph?
ANTENNA #1
ANTENNA #3
Time Number of
Time Number of
А
(minutes) Revolutions
С
(minutes) Revolutions
15
315
20
40
30
660
25
50
ANTENNA #2
ANTENNA #4
Time
(minutes)
Number of
Revolutions
Time
(minutes)
Number of
Revolutions
B
D
18
450
22
660
36
900
24
720