Question

What if f(x)=3x+4 then f(n+3)=

Answer 1

f(n + 3) = 3n + 13

Explanation:

f(x)=3x+4 then f(n+3)=

f(n + 3) = 3(n + 3) + 4

f(n + 3) = 3n + 9 + 4

f(n + 3) = 3n + 13

I hope this helps!