1. Looking around in your own country, discuss two practical applications in which "piecewise functions" are used either explicitly or implicitly.

2.To the best of your ability, using mathematical notion or in words, give any one of the functions you have spoken of in part (1) above.

3.If you could only learn one approach to solving quadratic equations, discuss which of the approaches you would choose and why?

4.Do you wholly agree with the statement that "the domain and range of a quadratic equation will be [-, ]"? Provide arguments to support your position.