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Ipatiy [6.2K]
3 years ago
14

5. Si P(x)=2x+4a , Q(x)=4x-2 y P[Q(4)]=60 , Calcular el valor de a

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

a = 8

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given P(x) = 2 x+4 a </em>

<em>           Q(x)=4 x - 2</em>

<em>           P( Q(4)) = 60</em>

<em>          P(4 (4) - 2) = 60</em>

<em>         P( 14 ) = 60</em>

<em>        2 (14) + 4 a = 60</em>

<em>         4 a + 28 = 60</em>

<em>Subtracting '28' on both sides , we get</em>

<em>        4 a +28 - 28 = 60 - 28</em>

<em>        4 a = 32</em>

<em>Dividing '4' on both sides , we get</em>

<em>         a = 8</em>

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