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graphs and equations question (1 Viewer)

cheesynooby

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imagine theres a second graph, y = k (so its just a horizontal line at with y value of k)
then the number of points where f(x) = k are the number of intersection points
so if k was 18, there would be a horizontal line near the top of the graph that intersects the graph twice so 2 solutions
 

waltssillyhat

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imagine theres a second graph, y = k (so its just a horizontal line at with y value of k)
then the number of points where f(x) = k are the number of intersection points
so if k was 18, there would be a horizontal line near the top of the graph that intersects the graph twice so 2 solutions
OMG thank you so much that makes sense now <333
 

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