6. 0, 21 ffxi 2, 0 a. Sketch the fl. b. Find the domain and range of f(x) and f. 7. Given the function as f(x) = /(x) = X and g(x) = 5x + 2 4+3x a. Find the inverse function of f(x) and g(x). b. Find f (3) and g (4). c. Find f (x) = g - Given the function as / (x) = and g(x) =6x+3 1-3x a. Find the value k when fg(x) = g (x) and x = 2. b. Graph the above function. c. Find the f andg