The answer should be positive 5 or 5
The answer is 30 because i had this on a test
<h3>
Answer: (1, -2)</h3>
Explanation:
Writing f(1) = -2 means x = 1 and y = f(x) = -2 pair up together
So we have (x,y) = (1, -2) as the point on the f(x) curve.
Answer:

Not a function.
Step-by-step explanation:
The given function is;

Let 
Interchange x and y;

Solve for y;

Square both sides




The inverse is

is not a function because one x-value maps onto to different y-values.