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11. Reflecting y = – 3 sin x across the x-axis results in a function with equation

options:

A) y = 3 sin x.

B) y = – sin x.

C) y = – 3 sin (x – π).

D) y = – 3 sin (x + π).

Respuesta :

Answer:

A

Step-by-step explanation:

Reflecting y = f(x) across the x- axis, gives

y = - f(x)

Given

y = - 3sinx , then under a reflection in the x- axis

y = - (- 3sinx) = 3sinx → A

A  y=3sin x    

x-axis results in a function with equation

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