Calcular el cardinal del siguiente conjunto: A = {x/x E N; 5 < 2x + 1 < 21}

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.

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6