F(x) = 10x + 720 The function f gives the balance, in dollars, of a simple interest-bearing account X years after it was
opened. According to the function, what was the increase in the balance, in dollars, of the account
each year after it was opened?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?