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Perform the indicated operation.
f(a)= a + 4
g(a)=-4a – 2
Find (3 f +g)(-4)
Please help asap !!!

Respuesta :

zegebrealkidest

Step-by-step explanation:

[tex](3f + g)( - 4) \\( 3(a + 4) + ( - 4a - 2)( - 4) \\ (3a + 12 - 4a - 2) ( - 4)\\ (3a - 4a + 10) ( - 4) \\ ( - a + 10)( - 4) \\ 4a - 40 = 0 \\ 4a = 40 \\ a = 10[/tex]

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