OCR MEI C4 2006 June — Question 6

Exam BoardOCR MEI
ModuleC4 (Core Mathematics 4)
Year2006
SessionJune
TopicExponential Functions

6 A number of cases of the general exponential model for the marathon are given in Table 6. One of these is $$R = 115 + ( 175 - 115 ) \mathrm { e } ^ { - 0.0467 t ^ { 0.797 } }$$
  1. What is the value of \(t\) for the year 2012?
  2. What record time does this model predict for the year 2012?
  3. \(\_\_\_\_\)
  4. \(\_\_\_\_\)