Given and find the following expressions. ​(a) ​(b) ​(c) ​(d)

Question

Given

f(x)=6x

and

g(x)=7x,

find the following expressions.

​(a)  

(f◦g)(4)     

​(b)  

(g◦f)(2)     

​(c)  

(f◦f)(1)     

​(d)  

Answer 1

f(x)=6x, g(x)=7x

g(4)=28

f(g(4))=f(28)=6(28)=168

f(2)=12

g(12)= 84

f(f(1))= f(6)=36