The graph below shows a function that represents the weekly earnings, in dollars, for a company that makes x sets of headphones per week. 7,000
6,000
5,000
4,000
Earnings ($)
3,000
2,000
1,000
0
6,000
1,000 2,000 3,000 4,000 5,000
Number of Headphones Made per Week

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

answer: $201

step-by-step explanation: to get the answer, you first get 3 nieces that he sold and multiply it by 67 and get $201, so he earned $201 selling his nieces.

step-by-step explanation: it is d

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.