At midnight, one hospital patient contracts an unknown virus. By 1 a. M., three other patients are diagnosed with the same virus. One hour later, nine more patients are found to have the virus, and by 3 a. M., 27 more patients have the virus. The virus continue to spread this way through the hospital. A) Determine an equation that models this relation. B)How many patients would have contracted the virus 6 a. M.?