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3 years ago

Algebraically show that each of the given combinations are equivalent to the given functions.

Mathematics

1 answer:

BlackZzzverrR [31]3 years ago

6 0

Answer:

Yes they ate Equivalent

Step-by-step explanation:

Given the expression

h(x) = - 3x – 1;j(x) = – 7x + 11 ; k(x) = 21.22 – 262 – 11

H(x)•j(x) = (-3x-1)(-7x+11)

H(x)•j(x) = (-3x)(-7x)-3x(11)-1(-7x)(-1)(11)

H(x)•j(x) = 21x²-33x+7x-11

H(x)•j(x) = 21x²-26x-11

This shows that H(x)•j(x) = k(x)

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Answer:

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3 years ago

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Marat540 [252]

Answer:

Step-by-step explanation:

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3 years ago

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Which expression represents 81 decreased by an unknown number?

Bogdan [553]

Answer: Choice A

Step-by-step explanation:

The correct answer is choice A. The equation 81 - a is doing exactly what the question is asking for. It represents 81 minus an unknown number, with the unknown number being shown as a.

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3 years ago

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Write down the reciprocal of<br> 1/3

Leokris [45]

<h2><u>RECIPROCAL</u></h2>

<h3>ANSWER: </h3>

$\boxed{ \bold{3 \: \: \: or \: \: \: \frac{3}{1} }}$

<h3>EXPLANATION:</h3>

As we can see above, it's clear that 3 and 1/3 are reciprocals of each other.

And we can find the reciprocal of 1/3 by forming a fraction and to multiply the numerator and denominator by 3.

$\\ \large \tt \: \frac{1 \times 3}{ \frac{1}{3} \times 3 } = \bold{ \frac{3}{1} = 3} \\ \\$

Hence, 3/1 or 3 is the correct answer.

_______________∞_______________

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2 years ago

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