Which explanation could be used to verify whether the fuctions are inverses?

The number of possible solutions of a polynomial can be found by looking

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Hi, can anyone show me how to do this problem? 100 points for this. in advance