In the xy-plane, the graph of the function f(x) = x2 + bx + 4 does not intersect the x-axis. Which of the following must be true about b?
A. −8 ≤ b < −4
B. b = −4
C.−4 < b < 4
D.b = 4
E. 4 < b ≤ 8
I would need a comprehensive explanation on how you arrived at your answer so I’ll know how to it the next time around. Thanks!
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https://prudentprofessors.com/wp-content/uploads/2021/01/prudentprofessors-300x87.png00Josephhttps://prudentprofessors.com/wp-content/uploads/2021/01/prudentprofessors-300x87.pngJoseph2021-02-23 09:25:472021-02-16 19:11:58Which of the following must be true about b?
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