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 ▸

Find the tangent of the following curve, y=xe^x, at x=1 expressing it in the form y=mx+c?


How to perform integration by substitution. (e.g. Find the integral of (2x)/((4+(3(x^2)))^2)) (10 marks)


How would you use the following expression to approximate [(4-5x)/(1+2x)(2-x)] when x=5 (A2 pure)


If y = 1/x^3, find an expression for dy/dx