What is the exponential regression equation that fits these data? х
у
1
4
2
8
3
27
4
85
5
250
6
600
O A. y = 1.22(2.841)
O B. y= 41.32x2 - 181.7x+171.6
O c. y = 2.84(1.224)
O D. y = 107.54x - 214.06

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.