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steposvetlana [31]

2 years ago

7

The function for the cost of materials to make a muffin is f(x) = Three fourths x + 3, where x is the number of muffins. The fun

ction for the selling price of those muffins is g(f(x)), where g(x) = 3x + 4. Find the selling price of 20 muffins.

1 answer:

velikii [3]2 years ago

8 0

(3x+4)(x+3)
(3x20)(20+3)
(60)(23)
1380

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Answer:

<h2><em><u>3</u></em></h2>

Step-by-step explanation:

<h3><u>Given</u><u> </u><u>question</u><u>:</u></h3>

<em>To</em><em> </em><em>simplify</em><em> </em><em>-</em><em> </em>

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<h3><u>Solution</u><u>:</u></h3>

<em>According</em><em> </em><em>to</em><em> </em><em>PEMDAS</em><em> </em><em>rule</em><em>,</em>

<em>[</em><em>First</em><em> </em><em>parenthesis</em><em>]</em>

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$= 14 + 16 \div {2}^{3} - 21 \div 7 + 2 \times ( - 5)$

<em>[</em><em>Then</em><em> </em><em>exponents</em><em>]</em>

$= 14 + 16 \div 8 - 21 \div 7 + 2 \times ( - 5)$

<em>[</em><em>Then</em><em> </em><em>multiplication</em><em>]</em>

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<em>[</em><em>Then</em><em> </em><em>subtraction</em><em>]</em>

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Step-by-step explanation:

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The common difference applies to the other given numbers for example :

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this proves that it is an arithmetic sequence and the given formula for the nth term of an arithmetic sequence is

T_n =a(n-1)d

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Step-by-step explanation:

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