Which symbols correctly relates the 2 numbers 55?35

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review