IDNLearn.com: Your one-stop platform for getting reliable answers to any question. Our experts provide timely and precise responses to help you understand and solve any issue you face.

an open box is yto be made from a 20 cm long square piece of material by cutting equal squares of length x cm from the corners and running up the sides verify that the volume of the box is given by the function v(x)=4x³-80x²+400x​