# math

posted by .

Find a. fog
b. gof
c. fof
d. gog
for each function

f(x)=4-x

g(x)=3x-5

• math -

I will do one,

b)

gof
= g(f(x)
= g(4-x)
= 3(4-x) - 5 = 12- 3x - 5
= 7 - 3x

try the others in the same way

• general mathematic. -

given:f(x)=3x-5,g(x)=x2, find f o g?

• math -

Fog=9-3x

• math -

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