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22-05-2016
Mathematics

contestada

Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1).

Respuesta :

22-05-2016

f(x)= 12 / (4x+2 )
f(-1) mean to replace x by (-1)
so, f(-1) = 12 /(-4+2)
f(-1)= 12/-2
f(-1) = -6

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