For each function (a) determine whether the parabola will open upward or downward. (b) determine the equation
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 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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y x 2 4x 21 a a 1 0 opens downwa...View the full answer
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Related Book For 
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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