Section 1.3 (total 9 pts) In Exercises 4, 6, 8, could the data represent a linear function? If so, give the rate of change 0 5 10 15 f(x) | 10 | 20 30 | 40 . ANSWER & WORK for # 4 0 100 300 600 R(x) 50 100 150 200 ANSWER & WORK for # 6 8. x j ( x ) ANSWER & WORK for # 8 Section 1.4 (total=6+9=15pts) Exercise 8.(6pts) Find formulas for the linear functions that has the following properties: function f has f(-2) = 7 and f(3) = -3. ANSWER & WORK for #8: In Exercises 32, 34, 36 are the lines perpendicular? Parallel? Neither? 32. y = 4x +3; y= 13 - -x ANSWER & WORK for #32 34. y = 4x +7; y= _x-2 ANSWER & WORK for #34 36. 2y = 16-x; 4y =-8- 2x