We now turn our attention to functions of two or more variables. For example, the formula f(x, y) = x'y3 defines a function that gives us one output for each pair (2, y) which we input. If we plug in a = 2 and y = 1, we get f(2, 3) = (2) (1)° = 4 ·1 = 4. If we plug in x = 3 and y = - 1, we get f(3, – 1) = (3) (- 1)° = 9 - (– 1) = – 9. And there are infinitely many more points of the form (x, y) which we could input into f. %3D Using the same function f(x, y) defined above, evaluate the following expressions: f(1, 3) = f(2, 2) = f(- 2, - 2) = f(50, 0) =

We now turn our attention to functions of two or more variables. For example, the formula f(x, y) = x'y3 defines a function that gives us one output for each pair (2, y) which we input. If we plug in a = 2 and y = 1, we get f(2, 3) = (2) (1)° = 4 ·1 = 4. If we plug in x = 3 and y = - 1, we get f(3, – 1) = (3) (- 1)° = 9 - (– 1) = – 9. And there are infinitely many more points of the form (x, y) which we could input into f. %3D Using the same function f(x, y) defined above, evaluate the following expressions: f(1, 3) = f(2, 2) = f(- 2, - 2) = f(50, 0) =

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter1: Equations And Graphs

Section1.10: Modeling Variation

Problem 4E

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