The graph of f(x) and table for g(x) = f(kx) are given.
The graph shows an upward opening parabola labeled f of x that passes through a point negative 2 comma 8, a point negative 1 comma 2, a vertex 0 comma 0, a point 1 comma 2, and a point 2 comma 8.
x g(x)
−10 8
−5 2
0 0
5 2
10 8
What is the value of k?
k is equal to one fifth
k = 5
k is equal to one tenth
k = 10