How many roots do the functions have in common?
f(x)=x^2-4x-5

f, left parenthesis, x, right parenthesis, equals, x, squared, minus, 4, x, minus, 5

Answer Choices
A
f and g share the same root(s).

(Choice B)
B
f and g share one root in common but each have another root that is not shared.

(Choice C)
C
f and g share no roots in common.

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