Compare the two tables and determine the value of k

Question

for the dilated function g(x)
which has been stretched horizontally from the original function f(x)
.

x
f(x)
0 −3
1 6
2 −9


x
g(x)
0 −1
1 2
2 −3


(1 point)
The value of k
of the dilated function is

Answer 1

k = 3