SOLUTION: Suppose that for a function f , the equation f (x) = 0 has exactly one real-number solution. Which of the following statements MUST be true? a.f is a linear function. b.f (x)

Question 1023372: Suppose that for a function f , the equation f (x) = 0 has exactly one real-number solution. Which of the following statements MUST be true?
a.f is a linear function.
b.f (x) ≥ 0 for all x in the domain of f.
c.f is an invertible function.
d.f has exactly one x-intercept.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
d. f(x) has exactly one x-intercept. The root of f(x) corresponds to the x-coordinate of the x-intercept.
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