Help me i’ll give extra points

y=400x

Step-by-step explanation:

This is because the graph rate is up 400 each time. Ex. (1,400) (2,800) (3,1200) etc

Hope this helped

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.