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Question which-

2.4 Equivalent Expressions - Simplifying rational expressions
0:00

f of x equals, x cubed minus, 9 x, and, g of x equals, x squared minus, 2 x minus 3

Which of the following expressions is equivalent to the fraction f of x over g of x, for x is greater than 3 ?

A.

the fraction with numerator 1, and denominator x plus 1, end fraction

B.

the fraction with numerator x plus 3, and denominator x plus 1, end fraction

C.

the fraction with numerator x times, open parenthesis, x minus 3, close parenthesis, and denominator x plus 1, end fraction

D.

the fraction with numerator x times, open parenthesis, x plus 3, close parenthesis, and denominator x plus 1, end fraction