Differentiate the following functions 3) f(x) = 4x2 3x + \\f} + 1 b) f{x) = (X: + 1')(:2.\\'2 +1: + 1:) Cl For the following function, find any extreme points and identify if they are maxima or minima a) x) = 4):: 8x + 1 A construction company wants to build a new apartment block with x new flats. The maintenance cost for x flats is given by the function 7 with a maximum of 300 possible flats. Find how many flats produce the highest cost