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Suppose you want to compose a function that can be used to determine the number of days that the city park water fountains will stay on based on the number of solar panels installed. The relationship between the number of solar panels installed and the amount of energy generated per day (in MWh) is given by the function E(n) = 0.75n. Additionally, The relationship between the number of days and the energy in megawatts consumed by the water fountains is given by the function D(E) = 2E.

Which function can be used to determine the number of days that the water fountains will stay on based on the number of panels installed?
A) n(D(E))
B) n(E(D))
C) D(E(n))
D) E(D(n))

Respuesta :

Answer:

it would be C

Step-by-step explanation:

there are two things you need to look at

E(n) = 0.75n and D(E) = 2E

keep the first part in each equation but remember D(E)

plug in E which as far as we know is E(n)

so we get D(E(n))

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