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Lect19 - Implicit vs Explicit Functions The equation y = x...

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92.131 Lecture 19 1 of 14 Ronald Brent © 2008 All rights reserved. Implicit vs. Explicit Functions: The equation x x y + = 2 explicitly defines y as a function of x . We write ) ( x f y = to denote explicit functions. Consider the equation 1 3 2 = + y x If 0 = x , 1 3 = y , or 1 = y . If 1 = x , 0 3 = y , or 0 = y . If 2 = x , 1 2 3 = + y , or 1 3 = y , and so 1 = y .
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