I need help with this omg DEFINE EVERY PART OF THIS FUNCTION:Y=a(4)^x

The Solution:
Given:
Required:
To define every part (term) of the given function.
[tex]a=\text{ initial value of y.}[/tex][tex]4=\text{ base of the function.}[/tex][tex]\begin{gathered} x=the\text{ exponent \lparen or power\rparen of the function. It is also the independent } \\ \text{variable.} \end{gathered}[/tex][tex]y=the\text{ dependent variable.}[/tex]