aspenwheeler6804
28.01.2020 •
Mathematics
Given the age in years, t, of a water-transport pipe, the formula r = 17 + 4 t can be used to predict the rate of water leakage (in gallons per minute) from the pipe as it carries water from the headquarters of a farming cooperative to farmland a mile away. what is the meaning of the constant 17 in the function r ?
a. initially the pipe leaks at 4 gallons per year.
b. initially the pipe leaks at 17 gallons per year.
c. initially the pipe leaks 17 gallons.
d. initially the pipe leaks at 4 gallons per minute.
e. initially the pipe leaks 4 gallons.
f. initially the pipe leaks at 17 gallons per minute.
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Ответ:
F. Initially the pipe leaks at 17 gallons per minute.
Step-by-step explanation:
Given the equation below:
R = 17 + 4t
Where R is the rate of leakage in gallons per minute,
And t is the age of pipe in years.
The rate of leakage at time t = 0 ( initial rate of leakage )
R(0)= 17 + 4(0)
R(0)= 17 gallons per minute.
Therefore the initial rate of leakage is 17gallons per minute
Ответ: