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Sagot :
Answer:
The answers amplitude is 2.3 the period is 8 and the phase shift is 0 since there is no C as shown below
Step-by-step explanation:
[tex]y = a \cos(bx - c) + d[/tex]
[tex]phase = |a| = |2.3| = 2.3[/tex]
[tex]period = \frac{2\pi}{b} \: so[/tex]
[tex]2\pi \div \frac{1}{4} \pi = 2\pi \div \frac{\pi}{4} = \frac{2\pi}{1} \times \frac{4}{\pi} = 8[/tex]
[tex]phase \: shift = c = 0[/tex]
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