math
posted by
Reece on
.
Find a. fog
b. gof
c. fof
d. gog
for each function
f(x)=4x
g(x)=3x5

math 
Reiny,
I will do one,
b)
gof
= g(f(x)
= g(4x)
= 3(4x)  5 = 12 3x  5
= 7  3x
try the others in the same way

general mathematic. 
mayjoy,
given:f(x)=3x5,g(x)=x2, find f o g?

math 
Harsh,
Fog=93x

math 
Harsh,
Hello mayjoy your answer for finding fog is 6x15