OCR MEI C4 2013 June — Question 2 3 marks

Exam BoardOCR MEI
ModuleC4 (Core Mathematics 4)
Year2013
SessionJune
Marks3
PaperDownload PDF ↗
Mark schemeDownload PDF ↗
TopicCurve Sketching
TypeOptimization and assignment problems
DifficultyEasy -1.2 This is a straightforward graph reading question requiring only the ability to read two y-values from a given curve and subtract them. It involves no calculation beyond simple subtraction and requires no mathematical techniques beyond basic graph interpretation, making it significantly easier than a typical A-level question.

Use Fig. 8 to estimate the difference in the length of daylight between places with latitudes of \(30°\) south and \(60°\) south on the day for which the graph applies. [3]

Question 2:
2
AnswerMarks Guidance
D90 B
C60
3030
0
0
AnswerMarks Guidance
3
–180 –1 50 –1
AnswerMarks Guidance
B30
A–60 C
–90
Question 2:
2
D | 90 | B
C | 60
30 | 30
0
0
– | 3
–1 | 80 –1 | 50 –1 | 20 –9 | 0 –6 | 0 –3 | 0 | 3 | 0 6 | 0 9 | 0 12 | 0 15 | 0 1 | 80
–
B | 30
A | –60 | C
–90
Use Fig. 8 to estimate the difference in the length of daylight between places with latitudes of $30°$ south and $60°$ south on the day for which the graph applies. [3]

\hfill \mbox{\textit{OCR MEI C4 2013 Q2 [3]}}