is $x a random variable? definition for x$ what type of variable is $g(x) what is $x? what is the probability distribution of $x what is x$ a function of what is the probability of a transformation in p what is the probability of x$ what is a function in random variable which random variable is a non-increasing function? what is a random variable for math what is the g of $$ what is transformation of $x in math where is $x$ what type of probability distribution is $x how do i calculate random variable what is the function for $x$ what is the function of the function of $x$? if x$ is an increasing function and $g is a non-increasing function which function is a non increasing function