The transformation that shifts a function along the

is

, which shifts the function to the left, and

, which shifts the function to the right.
The transformation that shifts a function along the

is

, which shifts the function up, and

, which shifts the function down
Hence, the correct answer is D:
Answer:
The equation of the line that passes is y=-3x+13
Answer: 
Step-by-step explanation:
Hi, to answer this question we have to analyze the information given:
d = kilograms of dark chocolate
m =kilograms of milk chocolate
So, her recipe calls for twice the amount of dark chocolate as milk chocolate.
Mathematically speaking:
m = 2d
She needs to buy 120 kg, of chocolate in total. So;
m + d = 120
The following system of equations represent the situation:

Feel free to ask for more if it´s necessary or if you did not understand something.