blem 4 When a bacteria colony reaches 150 thousand it is treated with antibiotics Due to the antibiotics the bacteria population decreases by 10 each week a Find an exponential model B t that approximates the bacteria population in thousands after t weeks b Estimate the bacteria population to the nearest thousand after 3 5 weeks c Use limits to explain what will happen to the bacteria population as time continues to increase d Sketch the graph of B t Label and appropriately scale the axes to include the entire graph