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Operations on Functions
Worksheet
Grade Level
Algebra II
ALG2.82 Operations on Functions
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Let f(x) = (x + 1)/(x - 4) and g(x) = 2/(x + 1). Which statement about (fg)(x) is correct?
A
(fg)(x) = 2/(x - 4), with x != 4 only
B
(fg)(x) = 2/(x - 4), with x != -1 and x != 4
C
(fg)(x) = 2/(x + 1), with x != -1 and x != 4
D
(fg)(x) = 2(x + 1)/(x - 4), with x != 4
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