Question
Solve the following inequations graphically in a two-dimensional plane: $x-y \geq 0$
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| Worker P | Worker Q |
| Mean time for completing the job (hours) | 33 | 21 |
| standard deviation (hours) | 9 | 7 |
(i) Regarding the time required to complete the job, which worker is more consistent?
(ii) Which worker seems to be faster in completing the job?
$\lim _{x \rightarrow 0}\left[\frac{(49)^x-2(35)^x+(25)^x}{x^2}\right]$