Consider the function f(x) = -x + 4. function there. a) State the domain and range of f. b) Using interval notation, state where the function is increasing and decreasing. What is the rate of change on these intervals? c) Where is the function constant? Explain. produce the graph of the d) Identify all local and absolute extrema. Be careful with your language! e) Determine all intervals of concavity and points of inflection. Communicate the intervals of concavity with interval notation.