The following recursive function takes three positive integer arguments:  def compute(n,x,y) :     if n==0 : return x     return compute(n-1,x+y,y)   What is the value returned by the compute function? n*x+y x+y x+n*y x What if: will the returned value be for the compute function defined in the question above if the argument n is negative? x x-n*y x+n*y The function will never return a value.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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The following recursive function takes three positive integer arguments:

  1.  def compute(n,x,y) :
  2.     if n==0 : return x
  3.     return compute(n-1,x+y,y)
 
What is the value returned by the compute function?
  1. n*x+y
  2. x+y
  3. x+n*y
  4. x

What if: will the returned value be for the compute function defined in the question above if the argument n is negative?

  1. x
  2. x-n*y
  3. x+n*y
  4. The function will never return a value.
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