Answer:
troll
Step-by-step explanation:
troll!!!!!!!!!!!!!!!!!!!!!!
domain is correct for b and c
the graph is a function because each value of x has only one y value
hence answer is B
we know that
For a spherical planet of radius r, the volume V and the surface area SA is equal to

The
ratio of these two quantities may be written as

we know


therefore
the answer is

The answer for number 3 is 3.c
Answer:
-2
Step-by-step explanation:
I took the test :)