The subsets of the real numbers are the irrational numbers, rational numbers, integers, whole numbers, and the natural numbers. First, figure out where does -18 belong? Well, -18 is a rational number because it can be expressed as a fraction of two integers. It's also an integer.
So, it doesn't belong in the sets of irrational numbers, whole numbers, and the natural numbers.
Answer:
(-3,-1.5)
Step-by-step explanation:
The two points are: (-2,1) & (-4,-4)

I am not good with that sorry
To solve the function in terms of x:

find the power of the subscripts of the log

cross multiply the expression

Therefore the correct answer of a = 6x