Is the equation an identity? explain your reasoning.
a. yes, because solving the equation gives a statement that is never true.
b. yes, because solving the equation gives a statement that is always true.
c. no, because solving the equation gives a statement that is never true.
d. no, because solving the equation gives a statement that is always true.
i don't know what an identity is or how to explain

the square root of what number? if you add that, then someone will probably answer the question.

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

a c

step-by-step explanation: