In this scenario, the variable x is said to be the total number of seconds being counted. This variable gets inputted into the formula in order for the function to output a value of how many words Hank is able to type in that given amount of time. In this case, the value being inputted for x is 45 seconds and the output being presented is 68 words. Meaning that according to the function Hank can type 68 words in 45 seconds.
