If f(x)=x^2 and g(x)=5x-11, then what is fgg(x) when x=3?
g(3)=5(3)-11=15-11=4gg(3)=g(4)=5(4)-11= 20-11=9fgg(3)=f(9)=92=81fgg(3)=81
SM
Related Maths A Level answers
All answers ▸How do i find dy/dx in terms of t for two parametric equations that are in terms of t.
What are radians and what are they used for?
let p be a polynomial p(x) = x^3+b*x^2+ c*x+24, where b and c are integers. Find a relation between b and c knowing that (x+2) divides p(x).
A particle of mass 0.25 kg is moving with velocity (3i + 7j) m s–1, when it receives the impulse (5i – 3j) N s. Find the speed of the particle immediately after the impulse.