What is the value of the y-intercept of the graph of f(x)=10.5(3.6)x ?

To find the value of the y-intercept, we need to evaluate the function f(x) at x=0.

Plugging in x=0 into f(x)=10.5(3.6)x, we get f(0)=10.5(3.6)(0)=0.

Therefore, the y-intercept is 0.