\begin{tabular}{|l|l|}\hline Listen \end{tabular} The inequality \( x \leq 3 \) represents the number of pets allowed in an apartment. Which sentence represents this inequality?

tinh \( a x^{2}+2 x+3 y=6 \)

a. \( \frac{2 x^{3}+6 x-6}{x^{3}-1} \)

Diketahui sistem persamaan tinier berikut ini : \[ \begin{array}{l}-1 x+y+2 z=2 \\ 3 x-1 y+z=6 \\ -1 x+3 y+4 z=4\end{array} \] Tentukan solusi persamaan linear tersebut menggunakan metode gauss!

In the \( x y \)-plane, a parabola has vertex \( (9,-14) \) and intersects the \( x \)-axis at two points. If the equation of the parabola is written in the form \( y=a x^{2}+b x+c \) where \( a, b \), and \( c \) are constants, which of the following could be the value of \( a+b+c \) ? (A) -23 (B) -19 (D) -12

5.7 Determine the equation of \( h \) if \( h(x)=g(x+1)-2 \)