Describe a method for calculating the mean of a set of data explain why the method works

Which of the following represents the range of the graph of f(x) below

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

If g^-1(x) is the inverse of g (x) which statement must be true