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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
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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

User Nin
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4 votes
answer: B, C, D


explanation:
User Thorsten Hans
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