182075
31.12.2019 •
Mathematics
The daily cost of hiring a plumber, y, to work hours on a repair project can be modeled
using a linear function. the plumber charges a fixed cost of $50 plus an additional cost of
$45 per hour. the plumber works a maximum of 8 hours per day.
for one day of work, what is the range of the function for this situation?
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Ответ:
[50, 410]
Step-by-step explanation:
If the plumber works 0 hours, he still charges $50, so that is the minimum of the range of charges.
If the plumber works 8 hours, his hourly charge of 8×$45 = $360 is added to his fixed charge of $50 for a total of $410. That is the maximum of the range of daily charges.
The range of the function is $50 to $410.
Ответ:
answer:
the answer is A
Step-by-step explanation:
because a is correct.