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Lunna [17]
3 years ago
12

What is the length of line AB? Given Line AB = 4x line BC = 2x + 6

Mathematics
1 answer:
erica [24]3 years ago
6 0
The answer to this is 16.
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F(x) =x^2-4x+2 and g(x) =3x-7 find (fog)(x)​
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Answer:

9x² - 54x + 79

Step-by-step explanation:

To find (f ○ g)(x) substitute x = g(x) into f(x), that is

f(g(x))

= f(3x - 7)

= (3x - 7)² - 4(3x - 7) + 2 ← expand factor using FOIL

= 9x² - 42x + 49 - 12x + 28 + 2 ← collect like terms

= 9x² - 54x + 79

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