1 Answer

Thanveer Shah · Answer 1 · 2021-07-19T10:48:30+0000

Answer:

amplitude = 3

period =
$(2\pi )/(3)$

Explanation:

Comparing the equation with the general equation :

f(x) = A cos(Bx + c ) + D

Where :

A = amplitude

period =
$(2\pi )/(B)$

D = vertical shift

Therefore : with the comparison :

amplitude = /-3/ = 3

period =
$(2\pi )/(3)$

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