In Exercises 21–26, find the discriminant of the given function. 21. f(x, y) = e2* cos y 22. g(x, y) = e-&* sin(2y) %3D 24. g(s, t) = s²te¬st² 26. g(0, Ф) 23. f(s, t) = s³et/2 25. f(0, ф) — сos @ sin ф = cos e = cos e cos
In Exercises 21–26, find the discriminant of the given function. 21. f(x, y) = e2* cos y 22. g(x, y) = e-&* sin(2y) %3D 24. g(s, t) = s²te¬st² 26. g(0, Ф) 23. f(s, t) = s³et/2 25. f(0, ф) — сos @ sin ф = cos e = cos e cos
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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