\( \left. \begin{array} { l } { y = \frac { 1 } { 2 } x - 6 } \\ { x = - 4 } \\ { ( - 8 , - 4 ) } \\ { ( - 4 , - 8 ) } \\ { ( - 4,4 ) } \\ { ( 4 , - 4 ) } \end{array} \right. \)

Câu 01: (a) Cho hàm số \( f(x)=a x^{2}-\sqrt{2} \). Tìm \( a \) biết rằng \( (f \circ f)(\sqrt{2})=-\sqrt{2} \). (b) Tìm \( m \) để hàm số \( y=\sqrt{2 x-3 m+4}-\frac{x-m}{x+m-1} \) xác định với mọi \( x>0 \).

\( x^{2}-(k+3) x-7=0 \) seja igual a 8

QUESTION 12 If \( 2^{x} 5^{y}=16 \times 125 \), where \( x \) and \( y \) are positive integers, determine \( x-y \) :

\( f(x)=5 x+6 ; g(x)=3 x-2 \) (h) Find \( \left(\frac{1}{g}\right)(1) \).

Complete the square to write \( y=2 x^{2}+12 x-7 \) in graphing form. Then determine the vertex and the intercepts of the parabola. 1