Recovering an exponential relationship
Recovering an exponential relationship
5 marks
TGM Original
A straight-line graph of e2y against x2 passes through the plotted points (1,5) and (4,11). Find the relationship between x and y, and hence find y when x=2, correct to 3 significant figures.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(\mathrm e^{2y}=2x^2+3\); \(y=\frac12\ln11\approx1.20\).
Need help? Join our JC Math tuition classes.
Learn more