What is the area of a quadrilateral with vertices of (2,-4) (4,-4) (2,1) and (4,1)

if you draw it out, it is a vertical rectangle

height of rectangle= 1-(-4)= 5units

length of rectangle= 4-2= 2units

area of rectangle =2×5= 10units^2

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

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.