A) Determine the inverse of the function f : x → 5x, xe N. b) State the range of the function f : x + x², x € R.
c) if f : x + x +1, find f2.
Sketch the graph of y = x (1 – 3x) (x + 4)

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.