Need help with a function...Basic?

Question

I have not taken math in a while and the innerds are a litte...Rusty... I know this problem is not that difficult, but I cannot seem to figure it out.

Any help please. I need to find an average rate of change.

If someone could post step by step that would be extremely helpful.

f(x)=16^2-x^2.... (Given)

f(2)-f(0)/2-0.....(Need to apply f(x) to this problem.)

I know this is not that difficult, but I am just stuck... Like writers block for math.

Answer 1

I think you need some spaces in those formula or we can't help you.

I only got f(x) = 16^2 - x^2
f(2) - f(0) / 2 - 0

Given the information I can read.
(16^2 - 2^2) - (16^2 - 0^2) / 2 - 0
(256 - 4) - (256) / 2 - 0
252 - 128 - 0
252 - 128 - 0
124