The answer would be D. an interval isnt a certain number but it is a time something happens over and over again
Answer:
Step-by-step explanation:
We have to find a leg, so we have to use the Pythagorean theorem in this way:

Answer:
For instance, if the point (1, 3) is on the graph of the function, then the point (3, 1) is on the graph of the inverse. That is, if you start with x = 1, you will go to y = 3; then you plug this into the inverse, and you'll go right back to x = 1, where you started from.
I got 0.7071067812
Hope this helps