Part B (32 Marks) Instruction: Show ALL your works. Marks will be deducted for incomplete works. 1. By reading values from the given graph of
Part B (32 Marks) Instruction: Show ALL your works. Marks will be deducted for incomplete works. 1. By reading values from the given graph of f below, use five rectangles to estimate the area under the graph from * =0 and x =10 where the sample points are left end points. f(x) 10 X [5 marks] 2. a) If g(x)dx = and f; h(x)dx = -6. Find a constant p such that [ag(x) - 4ph(x)| dx = 3. [4 marks] b) Hence, using the p value in part a), determine [5 marks] 3. a) Determine ]dt by using 2t v -substitution, [6 marks] ii) Trigonometric substitution. [9 marks] b) Hence, evaluate [2t V49-17 [3 marks] END OF QUESTIONS
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