SOLUTION: Dash Phone Company ofers several cell phone rate plans. One of these is the Premium Plan. The Premium Plan has a monthly charge of $45 with 300 free minutes and $0.25 per minute fo

Click here to see ALL problems on Rational-functions

Question 174984: Dash Phone Company ofers several cell phone rate plans. One of these is the Premium Plan. The Premium Plan has a monthly charge of $45 with 300 free minutes and $0.25 per minute for minutes in excess of 300 minutes.
What are the equations, including the domain restrictions, which describe P(t), the Premium Plan?
Found 2 solutions by stanbon, Mathtut:
Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
The Premium Plan has a monthly charge of $45 with 300 free minutes and $0.25 per minute for minutes in excess of 300 minutes.
What are the equations, including the domain restrictions, which describe P(t), the Premium Plan?
-------------------
P(t) = 45 + (t-300)0.25
Domain 300 < t < inf.
==========================
Cheers,
Stan H.

Answer by Mathtut(3670) (Show Source):
You can put this solution on YOUR website!
P(t)=45+.25t where (t=number of cell minutes) and for and
for