ABSTRACT
Determine the maximum value of C and the temperature at which it occurs (7)
6. Determine for the curve y=2x2 −3x at the point (2, 2): (a) the equation of the tangent (b) the equation of the normal (7)
7. A rectangular block of metal with a square crosssection has a total surface area of 250cm2. Find the maximum volume of the block of metal (7)
