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Section 14.1 Functions of two variables - UCSD Mathematics
math.ucsd.eduand functions with more than three variables in Section 14.8. Section 14.1 Functions of two variables Overview: In this section we discuss domains, ranges and graphs of functions with two variables. Topics: • The domain, range, and graph of z = f(x,y) • Fixing x or y: vertical cross sections of graphs • Drawing graphs of functions