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Shido88
 3 years ago
f(x)= 2x/x+3 and g(x)=5/x
find:
(f o g)(x) ?
Shido88
 3 years ago
f(x)= 2x/x+3 and g(x)=5/x find: (f o g)(x) ?

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Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1f composite g means to replace each x in the function f with the function g

Shido88
 3 years ago
Best ResponseYou've already chosen the best response.02(5/x) / (5/x)+3 right ?

CanadianAsian
 3 years ago
Best ResponseYou've already chosen the best response.0f o g means f(g(x)) if g(x) = 5/x and f(x) = 2x/(x+3) Then f o g = 2(5/x)/(5/x + 3)

Shido88
 3 years ago
Best ResponseYou've already chosen the best response.0ok cool :) but I'm stuck from there...

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Multiply numerator and denominator by x to simplify the complex fraction.

Shido88
 3 years ago
Best ResponseYou've already chosen the best response.0isn't it suppose to be 10/x ?

Shido88
 3 years ago
Best ResponseYou've already chosen the best response.0that's the part im stuck from

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1That's the point of multiplying by x: the denominators cancel
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