Question

definiton of a function

Answer 1

About Functions:

• It's a function if it doesn't repeat
• Each domain, (x) is paires with exactly 1 range

Answer 2

An expression that involves variable(s).

IE:

f(y) = 3x

f(y) = y/3

f(x) = x+3

f(x) = x^3 + x^2 + 50