Explain Real valued function with some examples.

Introduction with some examples

Introduction with some examples

Introduction with some examples

Explain Equal function with some example.

y=f(x) be a real valued function with domain as all real numbers.If the graph of the function is symmetrical about the line x=1 then for all alpha in R

Which one of the following real valued functions is never zero?

Which of the following real valued functions is/are not even functions?

Which of the following real valued functions is/are not even functions