Please help with this problem

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt

Have yall ever just farted and was like, i farted.