f(x) = -x² + 8x - 7 Find the maximum y-value of None of these. O y=7 O y=4 Oy=9

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
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Find the maximum y-value of
f(x) = -x² + 8x - 7
None of these.
O y=7
Oy=4
O y=9
Transcribed Image Text:Find the maximum y-value of f(x) = -x² + 8x - 7 None of these. O y=7 Oy=4 O y=9
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