Point of discontinuity

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Now Playing:Point of discontinuity– Example 1

Investigating How a Point of Discontinuity Appears on a Graph
Sketch and compare the following two functions:
i) $f\left( x \right) = 2x + 5$
ii) $g\left( x \right) = \frac{{2{x^2} + 11x + 15}}{{x + 3}}$
Sketching Rational Functions Incorporating Asymptotes and Points of Discontinuity
Sketch the rational function: $f\left( x \right) = \frac{{2{x^2} - 7x + 5}}{{2{x^3} - 11{x^2} + 19x - 10}}$

\left( x \right) = \frac{{ - \left( {3x - 8} \right)\left( {x + 5} \right)\left( {2x - 7} \right)}}{{\left( {x + 5} \right)\left( {4x + 9} \right)\left( {3x + 8} \right)\left( {2x - 7} \right)}}

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