b. f(c(x, y)) = c(f({x, y))) = Does f(c(x, y)) = c(f((x, y))) for all c e R and all (x, y) E R? %3D c. Is fa linear transformation?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.4: Linear Transformations
Problem 12EQ
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Let f : R? → R be defined by f((x, y)) = 4x – 8y – 1. Is fa linear transformation?
a. f({x1, Yı) + (x2, Y2))
f((x1, Y1)) + f({w2, Y2))
+
Does f((x1, Y1) + (x2, Y2)) = f((x1,Y1)) + f({x2, Y2)) for all (x1, Y1), (x2, Y2) E R?
b. f(c{x, y)) =
c(f({x, y))) =
Does f(c(x, y)) = c(f({x, y))) for all c e R and all (x, y) E R?
c. Is fa linear transformation?
Transcribed Image Text:Let f : R? → R be defined by f((x, y)) = 4x – 8y – 1. Is fa linear transformation? a. f({x1, Yı) + (x2, Y2)) f((x1, Y1)) + f({w2, Y2)) + Does f((x1, Y1) + (x2, Y2)) = f((x1,Y1)) + f({x2, Y2)) for all (x1, Y1), (x2, Y2) E R? b. f(c{x, y)) = c(f({x, y))) = Does f(c(x, y)) = c(f({x, y))) for all c e R and all (x, y) E R? c. Is fa linear transformation?
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