Solve the Problem $G ( x ) = \frac { 40 } { x }$

Multiple Choice

Solve the problem.
-Express the gross salary G of a person who earns $40 per hour as a function of the number x of hours worked.

A) $G ( x ) = \frac { 40 } { x }$
B) $G ( x ) = 40 x ^ { 2 }$
C) $G ( x ) = 40 x$
D) $G ( x ) = 40 + x$