If f(x, y) = 49 - 7x2 - y2 , find fx(-7, -8) and fy(-7, -8) and interpret these numbers as slopes. fx(-7, -8) = 42 fy(-7, -8) = 16 %3D

Elementary Algebra
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ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
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Chapter4: Graphs
Section4.5: Use The Slope–intercept Form Of An Equation Of A Line
Problem 4.101TI: Use slopes and y-intercepts to determine if the lines 2x+5y=5 and y=25x4 are parallel.
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If f(x, y) = 49 - 7x2 - y2 , find fx(-7, -8) and fy(-7, -8) and interpret these numbers as slopes.
fx(-7, -8) = 42
fy(-7, -8) = 16
%3D
Transcribed Image Text:If f(x, y) = 49 - 7x2 - y2 , find fx(-7, -8) and fy(-7, -8) and interpret these numbers as slopes. fx(-7, -8) = 42 fy(-7, -8) = 16 %3D
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