Can someone help with inverse relations and functions?

is relation t a function? Is the inverse t a function?
chart looks like:
x 0 2 4 6
y -10 -1 4 8

If someone could please explain this problem

Inverse Relations and Functions Quick Check answers:

1. B Relation t is a function. The inverse of relation t is a function.
2. A y=+-sqrtx+3/7
3. B (curved lines at the left and bottom sides of graph)
4. A ...gonna be real im not writing all that
5. C 4

Lmao 10 years later someone posted the correct answers, thanks a lot Tricks!

tricks is 100% correct

since each value of x has a single value for y, relation t a function.

same for the inverse.

Yup still right as of 2023

Still correct 2024

thank you for the help

yahoo!