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vampirchik [111]
3 years ago
10

Triangle D E F is cut by line segment A B. Line segment A B goes from side D E to side F E. Lines D F and A B are parallel. The

length of A B is 4.2 feet, the length of D A is 2 feet, the length of F B is 2.4 feet, and the length of B E is 7.8 feet. What is the perimeter of TriangleAEB? 16.4 ft 18.5 ft 18.7 ft 22.9 ft
Mathematics
2 answers:
nikitadnepr [17]3 years ago
7 0

Answer:

B on Ed

I took the test.

sdas [7]3 years ago
6 0

Answer:

The Answer:

Step-by-step explanation:

As per conclusion drawn from the marked solutions, the perimeter of Triangle AEB can only be:

18.5 ft

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!!!!!!!!!!!!Please help!!!!!!!!!!!!!!
aksik [14]

Answer:

The answer to your question is a) (f°g)(x) = 4x² + 2

                                                    b) (f + g)(x) = 4x² + x + 2

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Step-by-step explanation:

Data

f(x) = x + 2

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a) Calculate (f°g)(x)

Just sum the function

(f°g)(x) = (4x²) + 2

-Simplification

(f°g)(x) = 4x² + 2

b) (f + g)(x)

(f + g)(x) = x + 2 + 4x²

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(f + g)(x) = 4x² + x + 2

c) (f - g)(-3)

-Calculate (f - g)(x)

(f - g)(x) = x + 2 - 4x²

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(f - g)(x) = -4x² + x + 2

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(f - g)(-3) = -(4)(-3)² + (-3) + 2

-Simplification

(f - g)(-3) = -4(9) - 3 + 2

-Result

(f - g)(-3) = -36 - 3 + 2

(f - g)(-3) = -37

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