2)
In math class, Julia and Ricardo are analyzing the function f(x)=−x2+4x−14
. Julia thinks there are no real zeros in this function, and Ricardo says there is one real zero. Who is right?
(1 point)
Responses
Julia is right because the function has two real zeros.
Julia is right because the function has two real zeros.
Ricardo is right because the function has one real zero.
Ricardo is right because the function has one real zero.
Ricardo is right because the discriminant of this function is zero.
Ricardo is right because the discriminant of this function is zero.
Julia is right because the function has no real zeros.