Answer:
The correct option is 3. Graph of f of x equals 10 multiplied by 1.3 to the power of x.
Explanation:
The number of members f(x) in a local swimming club increased by 30% every year over a period of x years.
The given function is

This function interpreted as the function f of x equals 10 multiplied by 1.3 to the power of x. So, the graph of f of x equals 10 multiplied by 1.3 to the power of x.
Therefore the correct option is 3.
Substitute x=0 in the given function.

The function passes through (0,10).
Therefore, option 2 is incorrect.