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How can you define when the Graph is Function or not?
If a graph is a function, it will always have y=... or x=... (or anoher letter equals an equation) for example y= 3x-12 is a function
How can you tell the difference graph or function?
A function describes the relationship between two or more variables. A graph is a kind of visual representation of one or more function. A line or curve seen on a graph is called the graph of a function. * * * * * For any point in the domain, a function can map to only ine point in the range or codomain. In simpler terms, it means that (for a two dimensional graph), a vertical line can intersect the graph of the function in at most one point.
Is a graph of a quadratic function always a parabola?
No. It can also be a circle, ellipse or hyperbola.
What kind of graph is not a function?
Any graph in which there is at least one value of x for which there are more than one values of corresponding y. For example y = sqrt(x).
What is the graph of a linear function?
the graph is called a line
