Follow the instructions below to answer the questions.

1 - x; if x 3. (a) Find f(-3), f(-2), f(-1), f(-3), f(0), f(3), f(4), and f(5) (b) Sketch the graph of y = f(x) (c) State the domain, range of f(x) and x-coordinate of discontinuous points. (d) State the interval(s) on which f(r) increases, decreases, or is constant. x - y + 2z = 0 (3) (15 + 5 points) Use Cramer's Rule to solve the system { 3x + z = 11 -x + 2y = 0. (a) Write the system in matrix form (b) Find the determinant D of the coefficient matrix (c) Find Dx, Dy, De (d) (Extra 5 Points) Using Cramer's rule to find x, y, z and solve the system