Elevise
  • Home
  • GCSE Maths
  • GCSE Science
  • Membership
Back to C3 Home

?? - 2015 q9

9. Given that k is a negative constant and that the function f(x) is defined by 
Picture
(a) show that 
Picture
(b) Hence find f '(x) , giving your answer in its simplest form. (3)

(c) State, with a reason, whether f(x) is an increasing or a decreasing function. Justify your answer. (2)
SHOW ANSWERS
Home
GCSE Maths
GCSE Science
Membership
Tuition
United Kingdom
[email protected]
  • Home
  • GCSE Maths
  • GCSE Science
  • Membership