The answer is 68°
step by step :
Use photo math it works well
The inverse function of
is
<h3>How to determine the inverse function?</h3>
The function is given as:

Rewrite as;

Swap the positions of x and y

Multiply through by -2

Square both sides
4x^2 = y + 3
Subtract 3 from both sides
y = 4x^2 - 3
Express as an inverse function

Hence, the inverse function of
is
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Answer:
Step-by-step explanation:
Notation
We need some notation to make talking about sets easier. Consider,
A
=
{
1
,
2
,
3
}
.