Does this graph represent a function?Hint: use vertical line test.

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.

What is the reflection image of (5,-3) across the line y = -x?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?