The correct answer is B. It is impossible to determine which education option is most effective.
The paragraph given shows a number of options of careers to pursue. They give costs and benefits for each one as well as future salaries. This information would help someone make a decision about how they want to proceed in this career field.
divide 32 by 8
32/8 = 4 students went abroad
Remark
Watch out for the -4<=x<=6 thing. It causes lot's of problems if you are not careful.
Solution.
The second best answer is A and if that restriction, -4<=x<=6, wasn't there, the answer would be A.
When y = - 4, the x value falls outside the restricted domain ( -4<=x<=6) we have been given. so B is not the answer.
When x = - 4 you have to read straight down to see what the y value is. It is - 2. So this is your answer. Only exactly what is the answer. They ask for the minimum value and that is a y value in this case.
So the answer is C <<<<< Answer.
When y = 1 , x = - 2 1/2. That is within the domain, but it is not the minimum value so D is wrong.
They are known as deductions, or deductibles,because they are deducted from your wage, before it goes into your bank account.
The answer is D
Hope this has helped you :)