Answered: What value will the f(4) return from…

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

Problem 1PE

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Question

What value will the f(4) return from the following recursive function?

int f( int x )

{

if( x == 0 )

return 0; /* base case */

else

return 2 * f( x - 1 ) + x * x; /*recursive call*/

}

Group of answer choices

a). 21

b). 58

c). 6

d). 45

c). none of the above

Expert Solution

Step 1

The base condition for the given function is :

if(x==0).

Base condition is necessary to avoid stack overflow conditions since in every function call, a new function gets called and new space is allocated onto stack.

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