-15/2 is the answer, Hope this helps;)
The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours.
Answer:
(2) 0.55
16/29 = 0.5517 = 0.55
2.9= -2b +4.1
-4.1 -4.1
-1.5 = -2b
divide both sides by -2
.75= b