Graph the rational function.f(x) =  

A.

B.

C.

D.


Answer: D

Mathematics

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Solve.For f(x) = (x + 5)(x - 6)(x - 9), find all x-values for which f(x) > 0.

A. (-?, -5) ? (6, 9) or {x|x < -5  or 6 <  x < 9} B. (-5, 6) ? (9, ?) or {x|-5 < x < 6  or x > 9} C. (-?, 6) or {x| x < 6} D. (9, ?) or {x|x > 9}

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Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is   When is the body's velocity increasing?

A. t > 4.5 B. t < 8 C. t < 4.5 D. t > 8

Mathematics

Factor completely. If the polynomial is prime, so state.8x2 - 24xy - 32y2

A. Prime B. 8(x + y)(x - 4y) C. (8x - 8y)(x + 4y) D. 8(x - y)(x + 4y)

Mathematics

Simplify.(3 - )2

A. 13 + 
B. 9 + 
C. 14 - 6
D. 14 + 6

Mathematics