The number of bacteria in a lab experiment can be modeled by the function P, left bracket, t, right bracket, equals, 220, left bracket, 3, right bracket, start superscript, t, plus, 2, end superscript, .P(t)=220(3) t+2 . Write an equivalent function of the form P, left bracket, t, right bracket, equals, a, b, to the power t , .P(t)=ab t .