Use the function below to find f(–4). f(x) = 2x

Find out the value of f(–4) by using the function  f(x) = 2x  .

To prove

As given the function in the question as follows

f(x) = 2x

Now find for f(–4) .

Put x = - 4 in the function given above

Thus

 f(-4) = 2× -4

Simplify multiply 2 and -4 .

  f(-4) = -8

Therefore the value of f(–4) is -8  by using the function  f(x) = 2x .

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: