To answer this question we will use the graphical method.
The graph of f(x) is:
Therefore:
a) The vertex of the given parabola is (4,-1).
b) Its y-intercept is (0,-17).
c) Its axis of symmetry is at x=4.
d) The parabola has no x-intercepts.
Answer: Options 1, 2, 4, and 6.