Me with this
a cup is 6.4 cm tall, not including a 0.6 cm lip. cups are stacked inside one another. you may want to draw a diagram to you see how the height of the stack of cups increases. select the function that represents the height of a stack of cups in terms of the number of cups in the stack.

H(c)=6.4+0.6c

6.4 is the constant

When the height of the cups is 18.4 the function is:

18.4=6.4+0.6c

Then you subtract 6.4 from both sides to get:

18.4-6.4=6.4+0.6c-6.4

12=0.6c

c=12/.6

c=20

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.