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STEP II 1997 question 7 solution
From The Student RoomTSR Wiki > Study Help > Subjects and Revision > Mathematics > STEP > STEP II 1997 question 7 solution I'm not going to call this a solution, as I don't know how to do sketches here. But Non-solution by DFranklin | 
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and so the maximum value of 
is 
, attained when 
. This gives minimum, maximum values for y of 
.
Observe also y = 0 when x=0, x=a, and I think you've all you need for a sketch...
