SOLUTION: Im sorry, i dont know what kind of algebra this is, but i am just learning that f(x)=y. Now we've started solving problems like f(g(2)) when f(x)=3x and g(x)= x-3. Please help me i

Question 44691: Im sorry, i dont know what kind of algebra this is, but i am just learning that f(x)=y. Now we've started solving problems like f(g(2)) when f(x)=3x and g(x)= x-3. Please help me if you can!
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
f(g(2)) is what is called a composite function...essentially a function of a function...
First we evaluate g(2) and get
g(2) = 2 - 3 = -1
Then we evaluate f(-1)...we get
f(-1) = 3(-1) = -3
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