\[y = 3x^{2} - 5\]
\[x\] | \[- 1\] | \[0\] | \[1\] | \[2\] | \[3\] | \[4\] |
---|---|---|---|---|---|---|
\[y = 3x² - 5\] | \[- 2\] | \[- 5\] | \[- 2\] | \[7\] | \[22\] | \[43\] |
\[Среднее\ арифметическое:\]
\[\frac{- 2 + ( - 5) + ( - 2) + 7 + 22 + 43}{6} =\]
\[= \frac{- 9 + 72}{6} = \frac{63}{6} = \frac{21}{2} = 10,5.\]