(-3) + (+1) =
steps of solving

-2

Step-by-step explanation:

Opening brackets,

-3+1=-2

answer: hey there,

the answer you are looking for is a..

hope this you!

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.