f(x) = -4x² - 4x+7
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Given the following function, (a) does the parabola open upward or downward; (b) determine whether there is a maximum or a minimum value; (c) find
the vertex; and (d) rewrite the function in vertex form.
f(x) = - 4x² - 4x +7
(a) Select the correct choice below.
OA. The parabola opens upward.
OB. The parabola opens downward.
(b) Determine whether the parabola has a maximum value or a minimum value and find the value.
OA. minimum
B. maximum
(c) The vertex is
(Type an ordered pair, using integers or fractions.)
(d) The vertex form of the function is f(x) =
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