Posted by **Anonymous** on Tuesday, March 5, 2013 at 1:29pm.

if f(x) =x+3/7 and g(x) =4+5x find (gof) (x)

- College math -
**Dr. Jane**, Tuesday, March 5, 2013 at 1:34pm
Replace the x is the f(x) by the values for g(x)

for the x is the f(x) you would write 4 + 5x + 3/7

I don't know if the problem is

(x+3) all divided by 7

or if it is x added to 3/7

- College math -
**Steve**, Tuesday, March 5, 2013 at 2:43pm
(g◦f)(x) = g(f(x))

g(x) = 4+5x, so

g(f) = 4 + 5f

= 4+5(x+3/7)

and we are back to Dr. Jane's question

- College math -
**Anonymous**, Tuesday, March 5, 2013 at 3:27pm
Yes it is (x+3) all divided by 7

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