Question: For each function (a) determine whether the parabola will open upward or downward. (b) determine the equation of the axis of symmetry. (c) determine the

For each function

(a) determine whether the parabola will open upward or downward.

(b) determine the equation of the axis of symmetry.

(c) determine the vertex.

(d) determine the y-intercept.

(e) determine the x-intercepts if they exist.

(f)  sketch the graph.

(g) determine the domain and range.


y = -x2 - 4x + 21

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