what is f(-10)=4x-2

Question

what is the answer to f(-10)=4x-2 as a function value ...........................................................................................................................

Answer 1

I think what you really meant to say is

f(x) = 4x - 2, and you are asking for f(-10). Just plug x=-10 into f(x) and evaluate f(-10).

f(-10) = 4(-10) - 2 = ?