Can you explain the answers for g-l. I do not understand why these answers are correct

a. What is the relative maximum? y = 5, y = {5} b. Where is the relative maximum? c - 5,2 - {5} c. What is the local minimum? y = -4,y = {-4} d. What is abs. maximum? none, NA e. Where is the abs. minimum? none, NA Correct answer: f. Where is f(x) constant? NA, None g. Where is f(x) > -47 (-00, 2)U (2, 14), I = (-00, 2) U (2, 14) h. Where is f (x) = 0? {-6, 2, 8, 10}, z = {-6, 2.8, 10} i. Where is f (x) 2 4? (-00, -14 0 4, 6), I = (-00, -14]U [4, 6] j. Where is f (x)