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Igoryamba
2 years ago
10

Let f(x) = 4x - 7 and g(x) = 2x - 3. Find (f.g) (4)

Mathematics
1 answer:
Inga [223]2 years ago
4 0
F(g(4)) = 4(2(4) - 3) - 7 = 4(8- 3) -7
20 - 7 = 13.
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leonid [27]

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\boxed{\textsf{ The number of children is \textbf{24150}.}}

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So let us take the total number of people be x . So ,

\purple{\bigstar}\underline{\underline{\boldsymbol{ According\ to \ Question :- }}}

\sf\implies 40\% \ of \ x \ = \ 64,400 \\\\\sf\implies \dfrac{40x}{100}= 64,400 \\\\\sf\implies x =\dfrac{64,400\times 100}{40}\\\\\sf\implies \boxed{\pink{\sf x = 161,000 }}

\rule{200}2

<u>The </u><u>percentage</u><u> of</u><u> </u><u>children </u><u>=</u><u> </u><u>1</u><u>5</u><u>%</u><u> </u><u>:</u><u>-</u>

\sf\implies Number_{(children)}= 15\% \ of 161,000\\\\\sf\implies Number_{(children)}= \dfrac{15}{100}\times 161,000 \\\\\sf\implies \boxed{\pink{\frak {Number_{(children)}= 24150 }}}

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