Question
$\lim _{x \rightarrow-3} \frac{\sqrt{x+7}-2}{x^2+5 x+6}$
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| Year | $2012$ | $2013$ | $2014$ | $2015$ | $2016$ | $2017$ | $2018$ |
| Wages $(₹)$ | $460$ | $500$ | $580$ | $600$ | $620$ | $710$ | $750$ |
| Cost of living index number | $100$ | $110$ | $118$ | $124$ | $135$ | $135$ | $140$ |
| Detail | Price $(x)$ | Supply $(y)$ |
| Average | $30$ | $500$ |
| variance | $25$ | $10,000$ |
| $r = 0.8$ | ||