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jasenka [17]
2 years ago
6

Express

Mathematics
1 answer:
krok68 [10]2 years ago
4 0

Answer:

\frac{15}{9}  (7 + 2 \sqrt{10} )

Step-by-step explanation:

The solution is in the picture

At line 7, the denominator of the expression contains irrational number (which is surd 10). This shows that the expression is not simplified

At line 8 of my solution, multiply both numerator and denominator by the conjugate of

7 - 2 \sqrt{10}

which is

7 + 2 \sqrt{10}

in order to eliminate irrational number at denominator

More info of conjugate

The conjugate of a+b is a-b,

Why conjugate? Try it yourself!

Hint: (a+b)(a-b) = a^2 - b^2

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3 years ago
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Sonbull [250]

The function’s value when x = −1 will be C. g(−1) = 1.

<h3>How to calculate the value of the function?</h3>

It should be noted that that a function is simply used to show the relationship that exists between the variables.

There's a 2-column table with 5 rows. The first column is labeled g of x with entries negative 3, negative 2, 0, 2, 3. The second column is labeled f of x with entries.

The. function is x³ + 6x² + 12x + 8.

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brainly.com/question/25638609

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1 year ago
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2 years ago
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