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kirill115 [55]
2 years ago
13

What is this, (2r-1)(r-1)? I'm so confused.

Mathematics
2 answers:
kondaur [170]2 years ago
5 0
(2r-1)(r-1)
=2r(r-1) -1(r-1)
= 2r^2-2r-r+1
=2r^2-3r+1
11Alexandr11 [23.1K]2 years ago
4 0

Answer:

It looks like the factored form of a polynomial

Step-by-step explanation:

In unfactored form, it would be this:

2r^2 + -2r + 1

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Answer:

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Since outside temperature can be modelled as a sinusoidal function, the period is of 24 hours and amplitude of temperature and average temperature are, respectively:

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