Assuming the domain and codomain are properly defined, then YES.
yes
Give the domain for
Yes.
Yes.
y=(6x-5)/3
The rate of change for the linear (not liner) function, y = 2x +/- 3 is 2.
If the domain is the real numbers then so is the range.
No.
A cubic function, continuous, differentiable.
42
67 plus 3 equals 70.
3 plus 1 plus 4 equals 8