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storchak [24]
2 years ago
8

Solve: let f(x)=2x-1 and g(x)=x^2-4. find g(f(x))

Mathematics
1 answer:
Stella [2.4K]2 years ago
3 0
<h3>Answer:   g(f(x)) = 4x^2 - 4x - 3</h3>

Work Shown:

g(x) = x^2 - 4

g(f(x)) = ( f(x) )^2 - 4

g(f(x)) = ( 2x-1 )^2 - 4

g(f(x)) = (2x-1)(2x-1) - 4

g(f(x)) = 4x^2-2x-2x+1 - 4

g(f(x)) = 4x^2 - 4x - 3

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The perimeter of the rectangle above is:
Nonamiya [84]

Step-by-step explanation:

<em>given</em><em>,</em>

<em>length</em><em> </em><em>=</em><em> </em><em>4</em><em>x</em><em>²</em>

<em>breadth</em><em>/</em><em>width </em><em>=</em><em> </em><em>y²</em>

<em>we </em><em>know</em><em>,</em>

<em>perimeter</em><em> </em><em>=</em><em> </em><em>2</em><em>l</em><em> </em><em>+</em><em> </em><em>2</em><em>b</em>

<em>so,</em>

<em>2</em><em>(</em><em>4</em><em>x</em><em>²</em><em>)</em><em> </em><em>+</em><em> </em><em>2</em><em>(</em><em>y²</em><em>)</em>

<em>→</em><em> </em><em>8</em><em>x</em><em>²</em><em> </em><em>+</em><em> </em><em>2</em><em>y²</em>

<em>option </em><em>A </em><em>is </em><em>correct</em>

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4 0
3 years ago
HELP MEE ------- ------------------
choli [55]

Answer:

Check below.

Step-by-step explanation:

1/3 = 0.33334

 \sqrt{0.08}   = 0.24

-1.2

-\sqrt{\frac{5}{3} } = -1.29

7 0
3 years ago
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If a thermometer indicates 30 degrees Celsius, what is the temperature in degrees Fahrenheit?
Aleksandr-060686 [28]
<span>If a thermometer indicates 30 degrees Celsius, the temperature in degrees Fahrenheit <span>is
</span></span>D. 86 F.
3 0
3 years ago
Which is the order from least to greatest of the following: seventh fifths, 0.4, one eighth, seventy five percent?
pochemuha

The order from least to greatest of the numbers will be B. one eighth, 0.4, seventy five percent, seven fifths.

<h3>How to oder the numbers?</h3>

It should be noted that 7/5 = 1.4

It should be noted that 1/8 = 0.125

It should be noted that 75% = 0.75

Therefore, the ordering of the numbers from least to greatest will be one eighth, 0.4, seventy five percent, seven fifths.

In conclusion, the correct option is B.

Learn more about percentages on;

brainly.com/question/809966

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4 0
1 year ago
How would I solve this, converting the left side to a square root? -16 = r^3
ZanzabumX [31]

-16=r^3\implies \sqrt[3]{-16}=\sqrt[3]{r^3}\implies \sqrt[3]{-16}=r\implies \sqrt[3]{-2^4}=r \\\\\\ \sqrt[3]{(-2)^3\cdot 2^1}=r\implies -2\sqrt[3]{2^1}=r\implies -2\sqrt[3]{2}=r

7 0
2 years ago
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