What is the quadratic regression equation that fits these data? X
у
-4
42
-3
30
-2
20
-1
13
0
8
1
13
2.
20
3
32
4
54
O A. y = 0.34x2 + 3.40x+8.60
B. y= 21.94. 1.02%

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

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