The top graph is correct because an x=# will create a vertical line at that #
You can obtain the a number for which they all divisors by calculating the least common multiple.
This way:
85 = 5*17*1
17=17*1
19=19*1
4=2^2 *1
2=2*1
The least common multiple is: 5*17*19*2^2 = 6,460.
Then 84, 17, 19, 4 and 2 are all divisors of 6,460.
The translations would be this
1) reflection over the x-axis
2) translation of (-6,0)
I believe that the answer is 14 or 7