Area

Let f(x)=x² and A denote the area of the region bounded by f(x) and the x-axis, when x varies from -1 to 1. Which of the following statements is/are true
(A) f is continuous in [-1, 1]
(B) f is not bounded in [-1, 1]
(C) A is non zero and finite
Choose the correct answer from the options given below:

A cardboard box of dimensions 80 cm x 60 cm x 75 cm is to be constructed. Find the cardboard required (in m^2) for the box.