The two linear functions ƒ(x) and g(x) are shown below. ƒ(x) = x + 3

Which of the following is true?

The product of the rate of changes of ƒ( x) and g( x) is -6.
The rate of change of ƒ( x) is times the rate of change of g( x).
The rate of change of the function g( x) is –2.
The rate of change of ƒ( x) is greater than the rate of change of g( x).

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Step-by-step explanation:

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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.