Two functions are defined as follows. . f (x) = x2 - 2x - 1 . g (x) = 2x - 1 Determine a simplified expression to represent (f . g) (@). Use the on-screen keyboard to type the correct answer in the box. ( f .8) (x) =\fThe capacitance of a current is written as 5 + 2z ohms. Which of these represents the conjugate of the capacitance? A 5 - 27 O B -5 + 2i O C -5 - 27 O D 10iWhich of the following statements describes the polynomial identity 0,2 b2 : (a. + b) {a b)? A It is used to factor a difference of squares. E It is used to multiply a difference of squares. C It is used to calculate the area of two squares. D It is used to determine the difference in the side lengths of two squares. \fUse the following equation to answer the questions below: x4 = 1 (Note: Factoring more than once may be needed to discover solutions.) Be sure to show your work for full credit. A. What are the real solutions to the equation above? How do you know? B. What are the imaginary solutions to the equation above? How do you know