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in f(x) =2x-5 and g(x) = x 52 find f(g(x) and g(f(x)

Mathematics
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in f(x) =2x-5 and g(x) =x+52 find f(g(x) and g(f(x)

Apr 24th, 2015

 f(x) =2x-5 and g(x) =x+52

f ( g(x)) = f (x + 52)

              =2 (x + 52) - 5...................(put the value  x+52 in place of x in f(x)

              = 2x +104 -5

               =2x +99.....................................ANSWER


g(f(x) = g( 2x-5)

           = 2x-5 + 52.........................(put the value  2x - 5 in place of x in g(x))

             = 2x + 47.................................ANSWER


if you have the values of x put that value in equation

hope you understood...please message if you have any doubts...thank you

Apr 24th, 2015

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