Question

Plz solve this for me as soon as possible

Answer 1

Hello,

Explanation:

`f(n)=4n-5\\\\g(n)=an+b\\\\(gof)(n)=5n+1\\\\f(g(n))=f(an+b)=4*a*n+4b-5=5n+1\\\\4an=5n ==> a=5/4\\4b-5=1 ==> 4b=6 ==> b=3/2\\\\\\\boxed{g(n)=(5n)/(4) +(3)/(2) }\\\\`