Skip to content

Course home

3.2 Algebra and Functions (A-level only)

3.2 Algebra and Functions (A-level only)

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161
Question 13

The function f f\,f is defined by

f(x)=3+ln⁡(5x−4),x∈R,x>0.8 f(x) = 3 + \ln(5x - 4), \quad x \in \mathbb{R}, x > 0.8 f(x)=3+ln(5x−4),x∈R,x>0.8
a.

Find the exact value of ff(1)ff(1)ff(1)

[2]
b.

Find an expression for f−1(x)f^{-1}(x)f−1(x)

[3]
Markscheme

3.2 Algebra and Functions (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.2 Algebra and Functions (A-level only)

216 exam-style questions on WJEC A Level Maths 3.2 Algebra and Functions (A-level only), covering 3.2.1 Algebra and Functions (A-level only), 3.2.2 Algebra and Functions (A-level only), 3.2.3 Algebra and Functions (A-level only), 3.2.4 Algebra and Functions (A-level only), 3.2.5 Algebra and Functions (A-level only), 3.2.6 Algebra and Functions (A-level only), and 3.2 Algebra and Functions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank