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Bond [772]
4 years ago
10

Please help me out with this problem

Mathematics
1 answer:
vovangra [49]4 years ago
3 0

Answer:

1) Given

2) if lines are parallel, then corresponding angles are equal

3) Substitution

4) if altenate interior angles are equal, then the lines are parallel



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Step-by-step explanation:

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3 years ago
F(x)= square root of x-5. find f-1 (x) and it’s domain
gayaneshka [121]

Answer:

Option B.

Step-by-step explanation:

Inverse function:

Suppose we have a function y = f(x). To find the inverse function, we exchange x and y on the original function, and then isolate y.

The domain of the inverse function(x values) is the range of the original function(y values).

Original function:

f(x) = \sqrt{x} - 5

Domain is [0,\infty), and when x = 0, f(x) = -5. So the range is [-5,\infty], that is, y \geq -5

Inverse function:

y = \sqrt{x} - 5

Exchanging x and y

x = \sqrt{y} - 5

\sqrt{y} = x + 5

(\sqrt{y})^2 = (x+5)^2

y = (x+5)^2

The inverse function is f^{-1}(x) = (x+5)^2

Domain:

Range of the original function is y \geq -5, so the domain of the inverse function is x \geq -5. The correct answer is given by option B.

7 0
3 years ago
What are the domain restrictions of q^2-7q-8/q^2+3q-4
lara [203]

Answer:

the answer is d

Step-by-step explanation:



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a certain star is 3.7 x 10 to the second power light years from the earth period one light year is about 5.9 x 10 to the 12th power miles. how far from the Earth (in miles right is the star?

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