A function f is defined by : x- 5- 6 -, X=0. (a) Find f- and state the value of x for which f- is undefined. (b) Find the values of x for which f(x) = /- (x) 6. 0. 2 fix ) 2. 0 a. Sketch the fl- b. Find the domain and range of f(x) and fl. 7. Given the function as f(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 = (4). c. Find f (x) = [ . 8. Given the function as f (x) = 3k 1-3x and g(x) =6x+3 a. Find the value k when fg(x) = = (x) and x = 2. b. Graph the above function. c. Find the f- andg