When g(x) and f(x) are inverse functions, the graph that represents g(x) is the second graph.
<h3>How to explain the graph?</h3>
It should be noted that the first graph shows the radical expression where, f(x) = ✓x.
In order to find the inverse, we need to replace f(x) with y and switch the x. This will be:
x = ✓y
(✓y)² = x².
y = g(x) = x²
Therefore, the graph that shows the exponential growth is the second graph.
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Well.. You seem to have forgotten to add the coordinates...
Anyway, the line is represented by the function f(x) = 3x .
Any point which follows the form (x,3x) will be on the line
for example (-3,-9) ; (-2,-6) ; (-1,-3) ; (0,0) ; (0.333333,1) ; (1, 3) ; (2,6) ; (3,9) ; and so on....