Answer:
Step-by-step explanation:
66 mile per hour .
By plugging (k-2) in t, we can write that

hey thanks for the point's i really needed them.. Cheers!
many
The domain is
{x | x >=0}
Or simply [0, infinity)
Since Haley can not use any negative minutes.
The range is
{y | y >=20}
Or simply [20, infinity)
This is because if Haley doesn't use any minutes, the price will stay at $20.
Let me know if you have any questions.