What is the amplitude of the cosine function corresponding to the secant function graphed below ? a. -2 b. -1 c. 2 d. 3

Answer:
2
Step-by-step explanation:
From the graph, we obtain the trigonometric function as:
[tex]y=2 \sec x+1[/tex]
The corresponding cosine function have equation.
[tex]y=2\cos x+ 1[/tex]
This function is of the form: [tex]y=a\cos bx+c[/tex]
where [tex]|a|[/tex] is the amplitude.
Therefore the amplitude is |2|=2
The third choice is correct
The amplitude of the corresponding cosine function is; Choice C; 2.
It follows from the given task content that the graph given is that of a secant function and the function is;
f(x) = 2secx +1.
On this note, the cosine function would have an amplitude same as 2 because the functions are synonymous; f(x) = 2cosx +1.
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