Please do 12, 28 and 36

El?" [E] Writing a Linear Function In Exercises " ' 1114, (a) write the linear function f that has E: c the given function values and (b) sketch the graph of the function. 11- f(1)=4. f(0)=6 12- f(3)= 8, f(l)=2 13. f(-) = -%. .116) = 2 14. 11%) = i .114) = 9 HvGraphing a Function In Exercises 1526, use a graphing utility to graph the function. Be sure to choose an appropriate viewing window. 15. f(x) = 2.5): 4.25 16. f(x) = f; % 17. g(x) = x2 + 3 18. f(x) = -2x2 - l 19. f(x) = x3 l 20. f(x) = (x 1)3 + 2 21. f(x) = J; + 4 22. h(x) = t/x + 2 + 3 l l 23.f(2c)=x_2 24'k(x)=3+x+3 25. g(x) = [XI 5 26. f(x) = Ix II E]- E] Evaluating a Step Function In Exercises " 27-30, evaluate the function for the given i E] values. 27- f(x) = M (a) 112.1) (b) 112.9) (c) f(3.l) (d) f(%) 28. h(x) = [x + 3]] (a) h(2) (b) he) (c) h(4.2) (d) h(21.6) an IJ..\ _ I'M" I 111 In Exercises 35-40, sketch the graph of function. 4+x, x52 3"5""')={x2+2, x>2 ri{vi\|2 r