Step-by-step explanation:
16 centimeters because it's the answer
B because first you do the two triangles which =3 then you get the area for the square in the middle which is 15 then you add them up to get 18
The graph of
is given by,
Here given the function is 
when
, then it passes through the origin (0,0).
When 
Since we know that,
, then the function has maximum height at
.
Again when
, again the function is 0.
So clearly the function is the Oscillating function.
Using graphing calculator we get the graph of function
,
Learn more about Trigonometric Function here -
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Answer:
by my best guess, x = -5 (negative five)
Step-by-step explanation: