Can someone explain me this?

b) the dogs need to shift their focus to human scent.

the answer is c

step-by-step explanation:

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation:

if x = 1, then the answer is 3.5