CALCULUS REVISION [68 marks] The following diagram shows part of the graph of f(x) = (6 − 3x) (4 + x), x ∈ R. The shaded region R is bounded by the x-axis, y-axis and the graph of f . 1a. Write down an integral for the area of region R. [2 marks] Markscheme...
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CALCULUS REVISION [68 marks] The following diagram shows part of the graph of f(x) = (6 − 3x) (4 + x), x ∈ R. The shaded region R is bounded by the x-axis, y-axis and the graph of f . 1a. Write down an integral for the area of region R. [2 marks] Markscheme 2 A = ∫0 (6 − 3x) (4 + x) dx A1A1 Note: Award A1 for the limits x = 0, x = 2. Award A1 for an integral of f(x). [2 marks] 1b. Find the area of region R. [1 mark] Markscheme 28 A1 [1 mark]
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