Identify the transformation from ABC to A'B'C'.

B

Step-by-step explanation:

Imagine a mirror on the X axis, looking at the original triangle in the mirror would make the new triangle appear.

Reflection across the x-axis

Step-by-step explanation:

The two shapes are just simply being reflected across the x-axis.

Hope this helps!:)

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.