We're not sure what the correspondence is between numbers and sums of money,
but 1,200 is a real number.
The point on a number line that corresponds to a number is called an "ordered pair" of a real number.
magnitude
No. The real number line corresponds to rational AND irrational numbers.
absolute power
Yes.
Yes, it does.
Yes.
y = -|a(x + b)|
It is a representation where the distance from a reference point - the origin - represents the value of the number.
It is a representation where the distance from a reference point - the origin - represents the value of the number.
It is the distance from the origin (point 0) to the given point, taking account of the scale.
An aleph-one is the second of the transfinite cardinal numbers, which, according to the continuum hypothesis, corresponds to the number of real numbers.