Which of the following quadrants of the standard (x, y) coordinate plane contain points on the graph of the equation 6x – 3y = –9 ? A. l and lll only
B. l, ll and lll only
C. l, ll and IV only
D. I, II and IV only
E. II, IIIand IV

answer: a.

step-by-step explanation: the answer is a. because, you need to converge the fractions to find a solution.

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.

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