Solution is where the lines intersect. It's is (-2 , 1)
Answer is B.(-2,1)
Answer:
.
Step-by-step explanation:
Let C represent total daily charges in dollars and t represent time in hours.
We have been given that a plumber charges $50 for a service call plus $80 per hour.
The amount charged for t hours would be
.
The total amount charged for t hours would be
.
We are also told that plumber spends no longer than 8 hours a day at any one site, this means that time t have a restriction as:

Therefore, our required cost function would be
.
Answer:
c=f(x)−ax^2−bx
Step-by-step explanation:
21 = x + 6x
Solve that in order to answer your problem.
149 is quotient
The remainder is 31