Answer:
D. on the x axis is the best answer
Because of the ligting of the machine and you can go blind if theres no eye protection
Given the equation :

So, to find d , divide both sides by ( -6 )
So,

Note: when we divide two negative numbers, the result will be a positive number
F(x)=-3x
f(-5)=-3* (-5)
=15
hope ths help u !!!!!!!!!
^_^