Is the function represented by the table linear?
x y
10 -6
11 1
12 6
13 12

yes, because it has a constant rate of change.
yes, because it does not have a constant rate of change.
no, because it has a constant rate of change.
no, because it does not have a constant rate of change.

The table below shows the approximate masses of a dust particle and a grain of pollen. dust particle 0.000000778 g grain of pollen 0.00000000155 g the mass of a dust particle can be estimated and written in the form a × 10^b, where a = 8 and b = the mass of a grain of pollen can be estimated and written in the form a × 10^b, where a = 2 and b = based on the estimates, the mass of a dust particle is approximately blank times larger than the mass of a grain of pollen.