Question

you must start with what mathematical operator to create a formula?

Answer 1

Normally, I'd give the function a name.  Commonly we see "f(x)," which means "f is a function of x."  We'd follow that with an " = " sign.

Answer 2

Answer:

It depends on what kind of formula

Step-by-step explanation:

The mathematics is very extensive and to be able to create a formula there are multiple formulas, depending on the area in which you want to focus and what you are looking to do, since the formula for finding the data on geometric figures is very different, than the formulas for Make equations, first or second grade, it all depends on what you need.