Question

Find the midline for f(x) = −2+ 4 cos z. OA.y = -2 OB. y = 0 Oc.y = 4 OD.y=2

Answer 1

Explanation

For the given question, we have that

$\begin{gathered} f(x)=-2+4cosx \\ \end{gathered}$

We are asked to find the midline of the function

The function is

The midline is

The midline is

$y=-2$

Therefore, option A is correct