Which of the following must be true about b math homework help
In the xyplane, the graph of the function f(x) = x^{2} + bx + 4 does not intersect the xaxis. Which of the following must be true about b?

A. âˆ’8 â‰¤ b < âˆ’4

B. b = âˆ’4

C.âˆ’4 < b < 4

D.b = 4

E. 4 < b â‰¤ 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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