Consider f(x, y) = (x² + 2y²) a. Sketch cross sections (at least two) of f by keeping y fixed and then x fixed. b. Sketch a contour diagram for f with at least four labeled contours.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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1. Consider f(x, y) = (x² + 2y²)
a. Sketch cross sections (at least two) off by keeping y fixed and then x fixed.
b. Sketch a contour diagram for f with at least four labeled contours.
2. Does the following table represent a linear function? Justify your answer.
y
012
xo0 5 10
127 12
24914
3. Find the equation a linear function z = c + mx + ny whose graph contains the points
(0,0,0), (0,2,-1) and (-3,0,-4).
4. Find a formula for a function f(x, y, z) whose level surface f = 1 is an ellipsoid (tri-axial)
with center at (2,3,4) and the length in x, y, z axes are given by a, b, c respectively.
Transcribed Image Text:1. Consider f(x, y) = (x² + 2y²) a. Sketch cross sections (at least two) off by keeping y fixed and then x fixed. b. Sketch a contour diagram for f with at least four labeled contours. 2. Does the following table represent a linear function? Justify your answer. y 012 xo0 5 10 127 12 24914 3. Find the equation a linear function z = c + mx + ny whose graph contains the points (0,0,0), (0,2,-1) and (-3,0,-4). 4. Find a formula for a function f(x, y, z) whose level surface f = 1 is an ellipsoid (tri-axial) with center at (2,3,4) and the length in x, y, z axes are given by a, b, c respectively.
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