Question Al: (a) Write the improper fraction, %, as a mixed fraction. (b) When you use long division to divide 782 by 13, what are the quotient and the remainder? (c) Evaluate | 82|, Question A2: Give an example of a real number, z, such that |z| = 3, but = # 3. (See Definition 12 of section 2.3) Question A3: (a) Use roster notation to write out the set of even integers between 2 and 10. (b) Are there more integers between 1 and 5 or even integers between 2 and 107 (c) What is 2+4+6+ 8+ 107 (d) Let f(n) =2+4+46+---+ 2n be the sum of the first n even positive integers. Part (a), for example, deals with f(5). Find a formula for f(n) based on the discussion in section 2.4. (e) Use your formula to compute 2 x (f(4) + f(5))