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11 Jul 2018
1. Let f(x) = V4+* (> 0). [3] (a) Sketch the graph of y = f(x). Use your graph to explain why f(x) is one-to-one. 3] (b) Find an expression for f-1(2) and clearly state its domain. [4] (c) Find an equation for the tangent line to the graph of y=f-1(x) at the point x = 3.
1. Let f(x) = V4+* (> 0). [3] (a) Sketch the graph of y = f(x). Use your graph to explain why f(x) is one-to-one. 3] (b) Find an expression for f-1(2) and clearly state its domain. [4] (c) Find an equation for the tangent line to the graph of y=f-1(x) at the point x = 3.
Reid WolffLv2
13 Jul 2018
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