Which function matches the graph below?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x