Determine if the following is always, sometimes, or never true.
y = -1/5 x + 3 is a function.

Please work me through this, I do not want an answer if there is no work. Thanks! (Medal for answer and work, with steps showing how to do this)

Question

Determine if the following is always, sometimes, or never true.
y = -1/5 x + 3 is a function.

Please work me through this, I do not want an answer if there is no work. Thanks! (Medal for answer and work, with steps showing how to do this)

tony123 · Answer

The easiest way to determine if something is a function is by graphing  it and doing the virtical line test ... if you can draw a virtical line through the graph at any point and the line doesnt cross the graph in more than one location then it is a function