2 years ago

If f(x)=2x+1 and g(x)=x-3, find f(g(f(x)))

2 answers:

7 0

F( g( f(x) ) ) = f( g( 2x+1 ) )

                 = f( 2x+1 -3 )

                 = f( 2x-2 )

                 = 2(2x-2) +1

                 = 4x -4 + 1

                 = 4x -3

IRINA_888 [86]2 years ago

3 0

Answer:

$g(f(x)) = (2x + 1) - 3 \\ = 2x + 1 - 3 \\ = 2x - 2 \\ \\ f(g(f(x))) = 2(2x - 2) + 1 \\ = 4x - 4 + 1 \\ = 4x - 3$

I hope I helped you^_^

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