URGENT HELP!! PLEASE! PLEASE! PLEASE! answer this ;(

What is log x?

What is log y?

for y=ax^n why is it appropriate to plot: log x vs log y?

for y=Ae^kx why is appropriate to plot: x vs log y?

ambient room temp:25

e.g data

time x=0,2,4,6,8,10....

temp y=76,72,64,59,55,52...

difference of temp from ambient temp: 51,47 39,34,30,27 ...

Can anyone explain simply?

please anyone help I really need to understand this (it means alot as this is the end of school year)

Any help would be greatly appreciated

Maths help 246