Question 4 a. Let f(x,y) = x² + 2x + 2xy + y² Find f(1, 2) and f(0,0)

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.5: The Kernel And Range Of A Linear Transformation
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Question 4
a. Let f(x,y) = x² + 2x + 2xy + y²
Find f(1, 2) and f(0,0)
b. Find the domain of the function given by the following formula and sketch them in the xy-plane.
f(x, y) = √1 − (x² + y²)
c. Find the domain of the functions
i. f(x, y)
ii. f(x, y) = ln(x − a)² + In(y - b)²
-
=
x+2y
y+x-3
Transcribed Image Text:Question 4 a. Let f(x,y) = x² + 2x + 2xy + y² Find f(1, 2) and f(0,0) b. Find the domain of the function given by the following formula and sketch them in the xy-plane. f(x, y) = √1 − (x² + y²) c. Find the domain of the functions i. f(x, y) ii. f(x, y) = ln(x − a)² + In(y - b)² - = x+2y y+x-3
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