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Maksim231197 [3]
3 years ago
13

The graph of the function B is shown below. Find B(2).

Mathematics
2 answers:
puteri [66]3 years ago
4 0
B(2) would be the y-coordinate of the point where the x-coordinate is 2.



 B(2) = -1
mylen [45]3 years ago
3 0
When x = 2 then B(3) = -1
You can see that on the graph

hope it helps
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siniylev [52]

Answer:

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Step-by-step explanation:

12\cos^2x-9=0\qquad\text{add 9 to both sides}\\\\12\cos^2x=9\qquad\text{divide both sides by 12}\\\\\cos^2x=\dfrac{9}{12}\\\\\cos^2x=\dfrac{9:3}{12:3}\\\\\cos^2x=\dfrac{3}{4}\to\cos x=\pm\sqrt{\dfrac{3}{4}}\\\\\cos x=\pm\dfrac{\sqrt3}{2}\\\\\text{Look at the picture}\\\\x=\dfrac{\pi}{6}\ \vee\ x=\dfrac{5\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\ \vee\ x=\dfrac{11\pi}{6}

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