Which of the following graphs is a good approximation of f ( x ) = x 2 − 2 x x + 7 {\displaystyle f(x)={\frac {x^{2}-2x}{x+7}}} for x {\displaystyle x} on the small interval [ − 1 10 , 1 10 ] {\displaystyle \left[-{\frac {1}{10}},{\frac {1}{10}}\right]} ?
![{\displaystyle \left[-{\frac {1}{10}},{\frac {1}{10}}\right]}](https://wiki.ubc.ca/api/rest_v1/media/math/render/svg/910fc13ba60c3f03ddbd26776be06c649c093790)
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