Asequence is defined recursively using the formula f(n+1)=f(n)-3. if f(4)=22, what is f(1)?

answer: 2 and 1

step-by-step explanation: got this question

a is the correct

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.

definitely a. the others have almost all data points on one side of the line.

step-by-step explanation: