Which of the following equations will produce the graph show below?

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Which of the following parabolas opens down?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)