Respuesta :

Answer: y=5

Step-by-step explanation:

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At x = 0 and y = 5.5  the equation of the midline for the function

[tex]f(x)= \frac{1}{2} cos(x)+5[/tex] .

What is equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign. For example, 3x – 5 = 16 is an equation.

Is the cos graph symmetrical?

The function cos x is even, so its graph is symmetric about the y-axis.

According to the question

[tex]f(x)= \frac{1}{2} cos(x)+5[/tex]

as cos x is symmetric about y axis

So,

By plotting the graph  

we can see that at point x = 0

y = 5.5 is the mid point of this equation  

Hence, x = 0 and y = 5.5  the equation of the midline for the function

[tex]f(x)= \frac{1}{2} cos(x)+5[/tex] .

To know more about equation and cos graph symmetrical here:

https://brainly.com/question/3514150

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