If f(x) = -2x2+ 8x - 4, which of the follwoing is true? – McqOptions

MCQOPTIONS

1.	If f(x) = -2x2+ 8x - 4, which of the follwoing is true?
A.	The maximum value of f(x) is -4.
B.	The graph of f opens upward.
C.	The graph of f has no x-intercept
D.	f is not a one to one function.
Answer» E.

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