What type of solutions, how many real and/or imaginary, does the polynomial equation have? (Graph in desmos to
see)
f(x) = x3 – 4x2 + 2

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax