The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. The function below shows the relationship between f(x) and x:

f(x) = 10(1.3)^x

Which of the following graphs best represents the function?

Question

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. The function below shows the relationship between f(x) and x:

f(x) = 10(1.3)^x

Which of the following graphs best represents the function?

celinegirl · Answer

attachment

mathmale · Answer

I'd suggest your write your     f(x) = 10(1.3)x     as$$f(x)=10(1.3)^x$$   for much greater clarity.  What category of function is this?

celinegirl · Answer

@mathmale sorry i was doing the work. Pls check and see if the answer I came up with his right: Graph C?

mathmale · Answer

I'd be happy to check your work if you's please show it.  How did you decide upon C?

mathmale · Answer

What is the y-intercept of this function?