2 years ago

1 Which expression is equivalent to

Mathematics

1 answer:

Fiesta28 [93]2 years ago

4 0

Answer:

what's the original equation

Step-by-step explanation:

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What is the range of function gif g(x) = -2/(x) + 1

Zina [86]

The function g(x) is a rational function, and none of the options represent the range of the function g(x)

<h3>How to determine the range of the function?</h3>

The function is given as:

g(x) = -2/x + 1

The above function is undefined at point x = 0.

This is so because -2/x is undefined.

So, we have:

g(0) = -undefined + 1

g(0) = undefined

This means that the range of the function is:

(-infinity, 1) and (1, infinity)

None of the options represent the range of the function g(x)

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2 years ago

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3 years ago

Solve the quadratic equation x2+8x−30=0 by completing the square.

diamong [38]

Answer:

$\bold{x=-4\pm\sqrt{46}}$

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\\\\\\x^2+8x-30=0\\\\\underbrace{x^2+2\cdot x\cdot 4+4^2}-4^2-30=0\\\\{}\qquad(x+4)^2\,-\,16-30=0\\\\{}\qquad\ \ (x+4)^2=46\\\\ {}\qquad\ \ x+4=\pm\sqrt{46}\\\\ {}\qquad\ \ x=-4\pm\sqrt{46}$

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3 years ago

The answer to 14 I don't understand how to classify it

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The classification would be a right triangle

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The radius of a circle is 8 cm<br> Calculate the circumference of the circle <br> [Use pi r = 3.1]

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Radius is 8 cm, this means that the diameter is 16 cm. the circumference formula is 2(pie)R 2x3.14xRadius... Your answer is 50.265CM

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3 years ago

1 Which expression is equivalent to ​

1 Which expression is equivalent to