Explain what the letters f and x mean in this notation.

Question

 Explain what the notation  means. Explain what the letters f and x mean in this notation.

Answer 1

f is the name of the function, not a variable nor a number.

x is the input or x-value.

f(x) is the function of an input (x-value) that will produce an output (y-value). f(x) = y.

Answer 2

"f" is information, It indicates that the equation is a function.

"x" represents the independent variable - the input.