Question

Given f(n)=n−4 and g(n)=2n, how do you find 3f(n)+5g(n)?

Answer 1

1. given:f(n)=n-4 and g(n)=2n. 2.To find: 3f(n)+5(n)=3(n-4)+5(2n)=3n-12+10n= 13n-12 .. is the required answer.