Answer: Exercise use the following definition: If f: R R
Chapter 7, Problem 39E(choose chapter or problem)
Exercise use the following definition: If f: R ? R is a function and c is a nonzero real number, the function (c • f): R ? R is defined by the formula (c • f)(x) = c • f(x) for all real numbers x.ExerciseLet f: R ? R be a function and c a nonzero real number. If f is onto, is c •f also onto? Justify your answer.
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