(1) If R and S are surjective, then so is S composed with R.  (2) If S composed with R is surjective, then so is S.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.5: The Format Proof Of A Theorem
Problem 9E: Which part Given or Prove of the proof depends upon the a hypothesis of theorem? b conclusion of...
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2-part question: Prove or disprove...

(1) If R and S are surjective, then so is S composed with R. 

(2) If S composed with R is surjective, then so is S.

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