[Solved] Show algebraically that f and g are inverse functions. f(x)= 9x + 9 \[g ( x ) = \frac { x - 9 } { 9 }\] Viagra: A medication used primarily to treat erectile dysfunction and, to a lesser extent, certain heart conditions. Serial Monogamist: An individual who engages in one exclusive romantic relationship after another, without overlapping but with little time in between relationships. Non-Monogamy: Sexual interactions with more than one person during a given period, or any sexual relationship involving more than two people. Functionalist Perspective: The Functionalist Perspective is a theoretical approach in sociology that views society as a complex system whose parts work together to promote solidarity and stability, focusing on the social functions of various structures.