The mid-line for f(x) = 4cos x is y = 0. In the given equation, the term -2 is described as the y-shift. Therefore the mid-line for f(x) = -2 + 4cos x is:
y = -2.
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1. the sides of the biggest triangle are 16; x and √(16²-x²); the sides of the smallest triange are x;5 and y. The smallest triangle ~ the biggest triangle. Using the property of the similar triangles:
![\frac{x}{5} = \frac{16}{x}, \ then \ x= \sqrt{80}](https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B5%7D%20%3D%20%5Cfrac%7B16%7D%7Bx%7D%2C%20%5C%20then%20%5C%20x%3D%20%5Csqrt%7B80%7D%20)
2. according to the Pyphagorean theorem (in the smallest triangle):
![y= \sqrt{ \sqrt{80^2} -5^2} = \sqrt{55}](https://tex.z-dn.net/?f=y%3D%20%5Csqrt%7B%20%5Csqrt%7B80%5E2%7D%20-5%5E2%7D%20%3D%20%5Csqrt%7B55%7D)
answer: y=√55.
Answer:
store B, C, and D
Step-by-step explanation:
0/2=0 because anything divided by zero is zero.