Which value is the same as 2 tenths?

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

I'm confused on this could anyone me and show me what i need to do to solve it.