If \( \frac{1}{\log _{3} \pi}+\frac{1}{\log _{4} \pi}>x \), then \( x \) can be

Solve the equation: \( \sqrt{x + 4} = 6 \)

a) \( f(x)=|x+4|+2 \) b) \( f(x)=- \) c) \( f(x)=3 x^{2}-x-2 \)

\( \left. \begin{array} { l } { 14 . f ( x ) = - 2 x ^ { 2 } + 4 x + 3 } \\ { x } \\ \hline - 2 \\ { - 1 } \\ { - 1 } \\ { 0 } \\ { 1 } \\ { 2 } \end{array} \right. | \)

Find the inverse of the bijective function \( Q F: R \rightarrow \) difined by \( f(x)=2 x+7 \)

There are 56 sheep in a paddock. Each sheep is either white or black. There are 6 times as many white sheep as there are black sheep. How many black sheep are in the paddock?