Troyb0y
Troyb0y
02-07-2017
Mathematics
contestada
Find the value of f(-4) if f(x) = x2 + 7.
Respuesta :
royalranger
royalranger
02-07-2017
Just plug in -4 everywhere you see an x:
f(x) = 2x + 7
f(-4) = 2(-4) + 7
f(-4) = -8 + 7
f(-4) = -1
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