Let f(x,y) = 8x - 2y + 5. Find the following values of f(x,y) for the given coordinates. (a) f(2, -1) f(2,-1)= 23 (Simplify your answer.) (b) f(-6,1) f(-6,1)= -45 (Simplify your answer.) (c) f(-4,-2) f(-4,-2)= (Simplify your answer.)
Let f(x,y) = 8x - 2y + 5. Find the following values of f(x,y) for the given coordinates. (a) f(2, -1) f(2,-1)= 23 (Simplify your answer.) (b) f(-6,1) f(-6,1)= -45 (Simplify your answer.) (c) f(-4,-2) f(-4,-2)= (Simplify your answer.)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter2: Functions And Graphs
Section2.6: Proportion And Variation
Problem 17E: Find the constant of proportionality. y is directly proportional to x. If x=30, then y=15.
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