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KatRina [158]
2 years ago
12

Best answer gets brainliest!

Mathematics
2 answers:
Papessa [141]2 years ago
8 0

option D) y= 2x-1 is the answer.

confirmation →

Put 2 in place of x in 2x-1.

we gets 4-1 = 3

put 4 in place of x in 2x-1.

we gets 8-1 = 7

Thus hence the answer matches the table.

Hence Option D) is correct.

ruslelena [56]2 years ago
6 0

Answer:

<u><em>O D) y = 2x - 1</em></u>

Step-by-step explanation:

<em>If you check the values given in the table and substitute in place of x and y, you will find this relation to be true.</em>

<em></em>

<em>Hope it helps.</em>

<em>;)</em>

<em><3</em>

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maxonik [38]

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or

9\sin2x+9\cos2x=-9\implies\sin2x+\cos2x=-1

Recall that

\sin(\alpha\pm\beta)=\sin\alpha\cos\beta\pm\cos\alpha\sin\beta

If \alpha=2x and \beta=\dfrac\pi4, we have

\sin\left(2x+\dfrac\pi4\right)=\dfrac{\sin2x+\cos2x}{\sqrt2}

so in the equations above, we can write

\sin2x+\cos2x=\sqrt2\sin\left(2x+\dfrac\pi4\right)=\pm1

Then in the first case,

\sqrt2\sin\left(2x+\dfrac\pi4\right)=1\implies\sin\left(2x+\dfrac\pi4\right)=\dfrac1{\sqrt2}

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and in the second,

\sqrt2\sin\left(2x+\dfrac\pi4\right)=-1\implies\sin\left(2x+\dfrac\pi4\right)=-\dfrac1{\sqrt2}

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