Does this graph show a function? Explain how you know. A. Yes, the graph passes the vertical line test.
B. No, the graph fails the vertical line test
C. Yes, there are no y values that have more than one x-value
D. No, there are y-values that have more than one x-value

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap