The rule of a function changes from f(z) = (3x)² - 8 to g(z) = (9x)² -8 when it is dilated.
Which statement best describes how this dilation affects the graph of f(z)?
The graph is compressed toward the y-axis by a factor of
O The graph is compressed toward the z-axis by a factor of
of -
O The graph is stretched away from the z-axis by a factor of
O The graph is stretched away from the y-axis by a factor of