\[\boxed{\mathbf{601\ (601).\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[y = \sqrt{x}\]
\[x\] | \[0\] | \[1\] | \[4\] | \[9\] |
---|---|---|---|---|
\[y\] | \[0\] | \[1\] | \[2\] | \[3\] |
\[y = 2 - x\]
\[x\] | \[0\] | \[2\] | \[1\] |
---|---|---|---|
\[y\] | \[2\] | \[0\] | \[1\] |
\[При\ x > 1\ значение\ функции\ \]
\[y = \sqrt{x}\ больше,\ чем\ y = 2 - x.\]
\[Ответ:при\ x \in (1;\ + \infty).\]
\[\boxed{\mathbf{601.\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[a_{1} = 40;\ \ d = 10;\ \ n = 7\]
\[S_{7} = \frac{2a_{1} + 6d}{2} \cdot 7 =\]
\[= \frac{80 + 60}{2} \cdot 7 = 70 \cdot 7 =\]
\[= 490\ (страниц).\]
\[Ответ:490\ страниц.\]