Answer:
option-A
Explanation:
For company-1:
d=3m+5
so, the rate of change =3
For company-2:
we can find rate of change
rate of change is


now, we can use point slope form of line
y1=12 , x1=0


We can see that
rate of change of first company(3) is greater than rate of change of second company(1)