Answer:
exponential function
[tex]f(x) = 12 \cdot 1.023^t[/tex]
Step-by-step explanation:
General exponential function [tex]f(x)=a \cdot b^x[/tex]
where a is the initial value, b is the rate of increase/decrease (growth/decay factor), and t is time
Given:
[tex]f(x) = 12 \cdot 1.023^t[/tex]