A cup of coffee has a temperature of 200° ? and is palced in a room that has a temperature of 70° ?. After 10 minutes the temperature of the coffee is 150° ?. Find the function that models the...

A cup of coffee has a temperature of 200° ? and is palced in a room that has a
temperature of 70° ?. After 10 minutes the temperature of the coffee is 150° ?. Find the
function that models the temperature of the coffee at time t. Then Find the temperature of
the coffee after 15 minutes.