9. A bank account earns 2% simple interest per year. If the account was opened with $2,500, how
much interest will it earn in 3 years?

Hope this will help u a lot....

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this