Calculate the simple interest earned in 6 months on a $600 savings account at a 7% interest rate. What is the BALANCE at the end of the 6-month period?

20

step-by-step explanation:

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

i can answer this if i have the answer choices

b

step-by-step explanation:

this is because the profit is decreasing and turning into debt