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18. Let f(x)=x²+2x+c For what values of care the roots of f(x) not real? c<_1 c<1 c1 c>1

18. Let f(x)=x²+2x+c For what values of care the roots of f(x) not real? c<_1 c<1 c1 c>1
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18. Let f(x)=x²+2x+c

For what values of care the roots of f(x) not real?
c<_1
c<1
c1
c>1

User Craig Sefton
by
8.0k points

1 Answer

4 votes

Answer:c<1

Explanation:

User Ashley Baldry
by
9.2k points
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