help me please

This problem has two parts. Part 1: In 2054, a virus begins in Phoenix and spreads in such that the number IV of people infected grows exponentially with time t . The table below shows how many days it takes from initial outbreak to have various numbers of cases. N = # of cases 1 million 2 million 3 million t = # of days 76 123 150 How many days until the Phoenix virus infects four million people? How many days until there are forty million people infected by the Phoenix virus? Part 2: Enter here (using math notation or by attaching in an image) an explanation of your answers. Edit * Insert Formats . B I U X2 X A Y A