3. Write an equation for the square root function, y = Vx function that has been reflected about the y axis and shifted vertically, down 6 units. Sketch the graph of this function and state the domain and range of this function. 2 - -5 -4 -3 -2 2 3 4 x 2+ -3+ Function: Domain: Range: 4. Evaluate the difference quotient, Axth) -A(x) for the following function: h A(x) = 4 x - 2