Edexcel IALMathematicsGeneral Applications2 Marks
Figure 1 shows a sketch of the curve C with equation y = f(x). The curve C passes through the origin O and touches the x-axis at the point (3, 0). There is a maximum point at (1, 4). Figure 1 (a) Write down the coordinates of the maximum point on the curve with equation y = f(x + 2).
- (a)Write down the coordinates of the maximum point on the curve with equation y = f(x + 2).[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme. The mark or mark type is shown in brackets.
- B1 for x-coordinate = 1 - 2 = -1 (or correct transformation applied to x-coordinate).
- B1 for y-coordinate = 4 (or correct transformation applied to y-coordinate).
- B1 B1 for (-1, 4). (Accept if written separately as x = -1, y = 4)
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