I think the value of k is 12
The y intercept of f(x) is -3
The y intercept of g(x) is 6
g(x) = k * f(x)
the x value for the y intercept is 0
g(0) = k* f(0)
6 = k (-3)
divide each side by -3
6/-3 = k *-3/-3
-2 =k
