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

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Mathematics

4 November, 05:22

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

+4

Answers (1)

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Powell · Answer 1

a = 8

Step-by-step explanation:

Explanation:-

Given P (x) = 2 x+4 a

Q (x) = 4 x - 2

P (Q (4)) = 60

P (4 (4) - 2) = 60

P (14) = 60

2 (14) + 4 a = 60

4 a + 28 = 60

Subtracting '28' on both sides, we get

4 a + 28 - 28 = 60 - 28

4 a = 32

Dividing '4' on both sides, we get

a = 8