bvbrox
bvbrox
15-09-2016
Mathematics
contestada
If f(x) = 2 ^{2} - x, find f(-3).
Respuesta :
dharazzz
dharazzz
15-09-2016
fx=2x-x
f=2x/x-x
f=2-x
-3*f=-3f
-3f=-3*(2-x)
-3f=-6+3x
Answer Link
Krose1
Krose1
15-09-2016
Plug in -3 for x. So 2^2 - -3=4+3. The answer is 7. f(-3)=7.
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