The graph of a function f is given. (Click on the picture to enlarge it) a) The value of f(0) is b) The value of f(1) is c) For what non-zero value of z is f(x) = -7? d) State the range of f as an interval. e) On what open interval is f increasing? If needed enter -oo as- INF and oo as INF. You might need to use brackets [] for closed intervals and parenthesis () for open intervals.