6 February, 05:21
Lucy found that a solution of x = - 4 was extraneous for her function. What would be a possible denominator in Lucy's function?
A) x2 + 3x - 4
B) x2 - 9
C) x + 5
D) x - 4
6 February, 05:31
The correct answer for the given question above would be option A. The possible denominator in Lucy's function in which she found that a solution of x = - 4 was extraneous for her function is that, x2 + 3x - 4. For that case, it is the first one since it is the same as (x+4) (x-1) which cannot have x=-4 as that would make the denominator zero.
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» Lucy found that a solution of x = - 4 was extraneous for her function. What would be a possible denominator in Lucy's function? A) x2 + 3x - 4 B) x2 - 9 C) x + 5 D) x - 4