Step-by-step explanation:
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롯ㄴ
<u>The right answer is:</u> Determine whether
is equivalent to 
A function is said to be even if its graph is symmetric with respect to the
. That is:

According to this definition, the statement that best describes if the function:

is even, is:
Determine whether
is equivalent to 
By doing this, we have:

As you can see:

Conclusion:<em> </em><em>The function is not even.</em>
Answer:
x ≈ 2.3 cm
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos55° =
=
( multiply both sides by 4 )
4 × cos55° = x , thus
x ≈ 2.3 cm ( to 1 dec. place )
Answer:
no idea
Step-by-step explanation: