lmcd4890
lmcd4890 lmcd4890
  • 14-04-2020
  • Mathematics
contestada

Which functions have real zeros at 1 and 4? Check all that apply.

a f(x)= x²+x+4
b f(x)= x²+3x-4
c f(x)= x²-5x+4
d f(x)= -2x²+10x-8

Respuesta :

natalienguyen natalienguyen
  • 14-04-2020
answer: B, C, D


explanation:
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