\(7 \) The graph of the equation \( a x + k y = - 4 \) is a line in the \( x y \) -plane, where \( a \) and \( k \) are constants. If the line contains the points \( ( 2,0 ) \) and \( ( 0 , - 2 ) , \) what is the value of \( k ? \) A) \( - 4 \) B) \( - 2 \) C) \( 2 \) D) \( 4\)
Pregunta
Answer
C
Related Questions
Q:
If \( y = f ( g ( h ( x ) ) ) , \) then the derivative \( y ^ { \prime } \) is given by which for
a) \( f ^ { \prime } ( g ( h ( x ) ) \)
b) \( f ^ { \prime } ( g ( h ( x ) ) h ^ { \prime } ( x ) \)
c) None of these
d) \( f ^ { \prime } ( g ( h ( x ) ) g ^ { \prime } ( h ( x ) ) \)
e) \( f ^ { \prime } ( g ( h ( x ) ) g ^ { \prime } ( h ( x ) ) h ^ { \prime } ( x )\)
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