Assignment:
Explain the difference between the two. Give two examples of relations and two examples of functions. What does it mean to evaluate a function? Given f(x) = 2x+3, evaluate it for x = -1. Explain what does it mean to find a root of the function. (zero of the function) Find all roots for f(x) = 2x+3.
Provide complete and step by step solution for the question and show calculations and use formulas.