Does the equation below represent a relation, a function, both a relation and a function, or neither a relation nor a function?
y = x2 - 7x

relation only

function only

both a relation and a function

neither a relation nor a function

Question

Does the equation below represent a relation, a function, both a relation and a function, or neither a relation nor a function?
y = x2 - 7x






relation only





function only





both a relation and a function





neither a relation nor a function

ineedhelponhw · Answer

Hello

cwrw238 · Answer

Hi

ineedhelponhw · Answer

I am starting to learn this lesson and I haven't done one of these problem yet.

cwrw238 · Answer

one way to see if this is a function is to draw its graph  to see if its passes the vertical line test If a vertical does not cut the graph more than once then it is function

cwrw238 · Answer

the graph of this will be a parabola which opens upwards 

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