Calcule as Funcoes compostas-f(x)=5x+8 g(x)=10x+10 h(x)=3x+7x+6 l(x)=4x+2x+6
Pfv vale 10 pontos
b)g(f)x)) e)g(g)x)) h)I(g)x))
C)h(f)x)) f)g(h)x)) i)I(h)x))
d)h(h(x)) g)f(h)x)) j)I(f)x))
Respostas
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Calcule as Funcoes compostas-f(x)=5x+8 g(x)=10x+10 h(x)=3x+7x+6 l(x)=4x+2x+6
OBSERVA com fazer (PASSO a PASSO)
Pfv vale 10 pontos
b)g(f)x))
PEGAR o valor de (g(x)) e POR o valor de f(x) no (x) do 10x
g(f(x)) = 10(5x + 8) + 10
= 50x + 80 + 10
g(f(x)) = 50x + 90
C)h(f)x))
h(f(x)) = 3 (5x + 8) + 7(5x + 8) + 6
= 15x + 24 + 35x + 56 + 6
= 15x + 35x + 24 + 56 + 6
h(f(x)) = 50x + 86
d)h(h(x)) =
h(h(x)) = 3(3x + 7x + 6) + 7(3x + 7x + 6) + 6
= 9x + 21x + 18 + 21x + 49x + 42 + 6
= 9x + 21x + 21x + 49x + 18 + 42 + 6
h(h(x)) = 100x + 66
e)g(g)x))
g(g(x)) = 10(10x + 10) + 10
= 100x + 100 + 10
g(g(x)) = 100x + 110
f)g(h)x))
g(h(x)) = 10(3x + 7x + 6) + 10
= 30x + 70x + 60 + 10
g(h(x)) = 100x + 70
g)f(h)x))
f(h(x)) = 5(3x + 7x + 6) + 8
= 15x + 35x + 30 + 8
f(h(x)) = 50x + 38
h)I(g)x))
l(g(x)) = 4(10x + 10) + 2(10x + 10) + 6
= 40x + 40 + 20x + 20 + 6
= 40x + 20x + 40 + 20 + 6
l(g(x)) = 60x + 66
i)I(h)x))
l(h(x)) = 4(3x + 7x + 6) + 2( 3x + 7x + 6) +6
= 12x + 28x + 24 + 6x + 14x + 12 + 6
= 12x + 28x + 6x + 14x + 24 + 12 + 6
l(h(x)) = 60x + 42
j)I(f)x))
l(f(x)) = 4(5x + 8) + 2(5x + 8) + 6
= 20x + 32 + 10x + 16 + 6
= 20x + 10x + 32 + 16 + 6
l(f(x)) = 30x + 54
OBSERVA com fazer (PASSO a PASSO)
Pfv vale 10 pontos
b)g(f)x))
PEGAR o valor de (g(x)) e POR o valor de f(x) no (x) do 10x
g(f(x)) = 10(5x + 8) + 10
= 50x + 80 + 10
g(f(x)) = 50x + 90
C)h(f)x))
h(f(x)) = 3 (5x + 8) + 7(5x + 8) + 6
= 15x + 24 + 35x + 56 + 6
= 15x + 35x + 24 + 56 + 6
h(f(x)) = 50x + 86
d)h(h(x)) =
h(h(x)) = 3(3x + 7x + 6) + 7(3x + 7x + 6) + 6
= 9x + 21x + 18 + 21x + 49x + 42 + 6
= 9x + 21x + 21x + 49x + 18 + 42 + 6
h(h(x)) = 100x + 66
e)g(g)x))
g(g(x)) = 10(10x + 10) + 10
= 100x + 100 + 10
g(g(x)) = 100x + 110
f)g(h)x))
g(h(x)) = 10(3x + 7x + 6) + 10
= 30x + 70x + 60 + 10
g(h(x)) = 100x + 70
g)f(h)x))
f(h(x)) = 5(3x + 7x + 6) + 8
= 15x + 35x + 30 + 8
f(h(x)) = 50x + 38
h)I(g)x))
l(g(x)) = 4(10x + 10) + 2(10x + 10) + 6
= 40x + 40 + 20x + 20 + 6
= 40x + 20x + 40 + 20 + 6
l(g(x)) = 60x + 66
i)I(h)x))
l(h(x)) = 4(3x + 7x + 6) + 2( 3x + 7x + 6) +6
= 12x + 28x + 24 + 6x + 14x + 12 + 6
= 12x + 28x + 6x + 14x + 24 + 12 + 6
l(h(x)) = 60x + 42
j)I(f)x))
l(f(x)) = 4(5x + 8) + 2(5x + 8) + 6
= 20x + 32 + 10x + 16 + 6
= 20x + 10x + 32 + 16 + 6
l(f(x)) = 30x + 54
Jaisoon10:
Poxa muiito obrigado me ajudou muito
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