For Each of the Following Problems, Make an Appropriate Table $\lim _ { x \rightarrow 1 } \frac { | x | - x } { x - 1 }$

Essay

For each of the following problems, make an appropriate table to determine the limits.(a) $\lim _ { x \rightarrow 1 } \frac { | x | - x } { x - 1 }$ (b) $\lim _ { x \rightarrow 0 } \frac { \cos x - 1 } { x }$ (c) $\lim _ { x \rightarrow 3 } \frac { ( 1 / x ) - ( 1 / 3 ) } { x - 3 }$