Question 2 Let f be a 27-periodic function defined by f(r) = 5 - la|, IE (-7, 7). Then, the associated trigonometric polynomial of degree 1 is (A) S;(1) = 4. COS x (B) S1(r) = 107-+4 cos r %3D (C) Si(r) = 5 - 4. sin r (D) S1(r) = 5 4. COS T

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A: Given :   The sum of two times a number and twenty-two

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A: Firstly, we add 500/85 on both sides  and then by adding 2+500/85, we get the required result.

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A: Solve by logarithmic

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A:

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Q: please rewrite the calculations and solution better.

A:

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A:

Q: Solve 3*+1=9*=27

A:

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A:

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A:

Q: 00 (けい)eah

A: SOLUTION-

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A:

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A:

Q: What is one less than twice a number

A:

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Q: please solve question (b)

A: See this solution in below.