Question: Suppose that for a function f , the equation f ( x ) = 0 has exactly two real-number solutions. Which of the following statements

Suppose that for a function f , the equation f(x)=0 has exactly two real-number solutions. Which of the following statements MUST be true?

A) f has exactly two y-intercepts

B) f has exactly two x-intercepts

C) f is a quadratic formula

D) f is an invertible function

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