Answer: 
Step-by-step explanation:
Given the quadratic function
, you can find
by substituting the input value
into this function, with this procedure you will get the corresponding output value.
Therefore, when
, you get that the output value is the following:

<em>NOTE: Since the exponent is an even number, the result will be positive, because:</em>
<em>
</em>
Therefore, knowing this, you get that
of the function
is:
