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
Answered by Simon M. Maths tutor

4307 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Let f(x) = 3x^4 - 8x^3 - 3. Find the x- values of the stationary points of this function.


(A-Level) Find the coordinate of the stationary point of the curve y = 2x + 27/x^2


Derive Law of Cosines using Pythagorean Theorem


1. The curve C has equation y = 3x^4 – 8x^3 – 3 (a) Find (i) d d y x (ii) d d 2 y x 2 (3) (b) Verify that C has a stationary point when x = 2 (2) (c) Determine the nature of this stationary point, giving a reason for your answer.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning