Is (fg)(x) the same as (f(g(x))?

Michael17 · Oct 3, 2009

Can anyone please help me with this.

Is (fg)(x) the same as (f(g(x))?

jgens · Oct 3, 2009

No, the first is the product of f and g while the second is the composition of f and g.

LCKurtz · Oct 4, 2009

The notation that is frequently used for h which is the composition of f and g is:

[tex]h = f\circ g[/tex]

Mark44 · Oct 5, 2009

Furthermore, the title of this thread indicates some misunderstanding, and has nothing to do with function products and pertains to function composition only when f is some kind of exponential function.

"f to the g" would be written as follows:
[tex]f^{g(x)}[/tex]

Is (fg)(x) the same as (f(g(x))?

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Is (fg)(x) the same as (f(g(x))?

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