For each function (a) determine whether the parabola will open upward or downward. (b) determine the equation

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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 = -x- 4x + 21

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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