Consider the function f(x, y), defined for x E R, y E R as follows: x + y for x > 0 and y > 0 { for x > 0 and y < 0 for x < 0 and y > 0 ху f(x) = х — у xly for x < 0 and y < 0

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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a) Write a Python function called func_xy that takes values x and y as arguments and returns the appropriate value of f(x,y).

b) Demonstrate that the function works for all relevant cases by inputting different example values.

Consider the function f(x, y), defined for x E R, y E R as follows:
x + y
for x > 0 and y > 0
ху
for x > 0 and y < 0
f(x) =
х — у
for x < 0 and y > 0
x/y
for x < 0 and y < 0
Transcribed Image Text:Consider the function f(x, y), defined for x E R, y E R as follows: x + y for x > 0 and y > 0 ху for x > 0 and y < 0 f(x) = х — у for x < 0 and y > 0 x/y for x < 0 and y < 0
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