select the correct answer.\nthe graph shows the function y = cos(x).\nwhat is the amplitude of the…

select the correct answer.\nthe graph shows the function y = cos(x).\nwhat is the amplitude of the function?\na. 1\nb. 2π\nc. π\nd. 2

select the correct answer.\nthe graph shows the function y = cos(x).\nwhat is the amplitude of the function?\na. 1\nb. 2π\nc. π\nd. 2

Answer

Explanation:

Step1: Recall amplitude definition

The amplitude of a cosine - type function (y = A\cos(Bx - C)+D) is given by (|A|). For the function (y=\cos(x)), we can rewrite it as (y = 1\cos(1x-0)+0).

Step2: Determine the amplitude

Here, (A = 1), so the amplitude (|A|=1).

Answer:

A. 1