Solve the problem.To solve the rational inequality  ? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?

A. {-4}
B. {4}
C. {5}
D. {4, 5}


Answer: B

Mathematics

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Factor the trinomial.x2 - 6x + 5

A. (x + 1)(x - 5) B. (x - 1)(x + 5) C. (x - 1)(x - 5) D. (x + 1)(x + 1)

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Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)4?r2 = A for r

A. r = 2?
B. r = ± 
C. r = ± 
D. r = ±  

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Find the exact value. If the value of the function is not defined, write undefined.tan(-7?)

A. -1 B. 0 C. 1 D. Undefined

Mathematics