What is the exponential regression equation that fits these data? X
y
1
4
N
9
3
3
27
4
90
5
250
6
580
O A. 9 = 2.80(1.31")
O B. ŷ = 1.31(2.804)
O C. ŷ = 39.16x2 - 169.38x + 158.9
D. 9 = 104.74x - 206.6

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels