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Which function has exactly one real solution? A. f(x) = -4x2 + 9x B. f(x) = 2x2 + 4x – 5 C. f(x) = 6x2 + 11 D. f(x) = -3x2 + 30x – 75​

User Gene T
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1 Answer

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12 votes

Answer:

A.


{ \tt{f(x) = - 4 {x}^(2) + 9x }}

Explanation:


{ \tt{f(x) = x( - 4x + 9)}}

User Sebastian Sulinski
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