а. А- {(2, -3), (1, 0), (0, 0), (-1, -1)} b. B= {(a, b)|b = e*} с. С- (х, у) у - 2х + 1}
а. А- {(2, -3), (1, 0), (0, 0), (-1, -1)} b. B= {(a, b)|b = e*} с. С- (х, у) у - 2х + 1}
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Tell whether it is a function or not a function
Transcribed Image Text:a. A = {(2, -3), (1, 0), (0, 0), (-1, -1)}
b. B= {(a, b)|b = e"}
c. C= {(x, y)| y = 2x + 1}
d. D= {(a, b)|b = /1-a? }
e. E= {(x, y)ly = (x -1)² + 2}
f. F= {(x, y)x = (y+1)³ – 2}
g. G= {(x, y))x² + y² = 1}
h. H= {(x, y)\x< y}
i. I= {(x, y)| |x| + \y| = 1}
%3D
%3D
%3D
1
j. J= {(x, y)\x is positive integer and x =
+7}
У -3
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