a) determine whether the graph represents a function and then use the graph to determine the domain and rage of that function

Question

anonymous · Answer

easy way to check if a graph represents a function is to draw a vertical line for each x. If the line intercept a graph in just 1 point at every x, then it's afunction. If more than 1   it is not

vortish · Answer

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vortish · Answer

this come up to four on the yx axis

anonymous · Answer

draw vertical lines...
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like u can see, they all intersect a graph in just one point. So it's a function

anonymous · Answer

example of not a function:
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