The function h(x) is a transformation of the square root parent function, f(x) = square root of x. What function is h(x)?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

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