The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.
How to find the find the dilation factor
In this problem we have the following relationship bewteen the two quadratic equations: g(x) = f(k · x), which means that for all y the following relationship between f(x) and g(x):
[tex]k = \frac{x_{g}}{x_{f}}[/tex]
Let suppose that y = 3, then [tex]x_{f} = - 5.5[/tex] and [tex]x_{g} = - 1.8[/tex], then the value k is:
k = (- 5.5)/(- 1.8)
k = 3.056
The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.
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