MATH 241 Lecture 8: Functions
12 Feb 2019
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Qt defined by g i x) - Tx is not a function (c) h : r be defined by hlx) - (d) f : ir r defined by f- txt is not a. I is not a function because it fails the vertical function in r i ex : "t and it r ) if line test. I e ) gi ir ir defined by glx ) = txt is a function. Ir z by ft x ) = l x t. I by g i x ) = tx - It (a) f 13. 3 ) and g 13. 3) = 3. I b) ft - 5. 7 ) and g i - 5. 6 (c) hh ) and gin) for h e. I n (d) does f= g no , if something ends in. 0. 5 , the values will be different images s preimages of sets.
