Answer:
y = 80*[tex]3^{x}[/tex]
Step-by-step explanation:
Let say:
y is the mount of bacteria
x is the number of hours
and we know the intial value is: 80 with growth factor of three (triple) so the base number is 3
Hence, we have the exponential function:
y = 80*[tex]3^{x}[/tex]