You draw a number line. Then put a dot at the point at x. Happy graphing!
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On a graph paper, a horizontal (number) line is the x-axis. Correspondingly, on the same graph paper a vertical number line is the y-axis. Where these two axes meet (intersect) is named the origin and given the coordinates ( x,y) ; ( 0,0)
The graph of F(x), shown below, resembles the graph of G(x) = x2, but it has been changed somewhat. Which of the following could be the equation of F(x)?
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Graph that equation. If the graph pass the horizontal line test, it is an inverse equation (because the graph of an inverse function is just a symmetry graph with respect to the line y= x of a graph of a one-to-one function). If it is given f(x) and g(x) as the inverse of f(x), check if g(f(x)) = x and f(g(x)) = x. If you show that g(f(x)) = x and f(g(x)) = x, then g(x) is the inverse of f(x).
A graph has both an x and y axis.