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:
I don't know what's happening, but thanks for free points. :)))
Step-by-step explanation:
Answer:
The measure of x = 45 degrees
Answer:
the second and thrid one :)
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
$25 per day
it's "b" because as days increase the cost of dollars gets added by $25 per day.
Hope this helped!