(a) The parabolic shape of the concrete structure can be represented by various functions depending on the point of reference. Based on different points of reference, obtain at least three different functions which can be used to represent the curve of this concrete structure.
(b) The front surface of this concrete structure will be painted before the words 'ART GALLERY' is written on it. Find the area to be painted.
is that this tugasan nid introduction?
help me pls