Given that f(x)=2x+1f(x) = 2x + 1f(x)=2x+1 and g(x)=x2g(x) = x^2g(x)=x2
a.
Find fg(x)fg(x)fg(x)
[2]
b.
Work out an expression for gf(x)gf(x)gf(x)
[2]
c.
Solve fg(x)=gf(x)fg(x) = gf(x)fg(x)=gf(x)
[3]
Markscheme
Inverse and Composite Functions Questions
32 exam-style questions on AQA GCSE Maths Inverse and Composite Functions. Each one has a worked solution and a mark scheme showing where the marks go.