Graph the rational function.f(x) =  

A.

B.

C.

D.


Answer: A

Mathematics

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Write the sentence as an equation. Let the variable x represent the number.The sum of twice a number and 5 is 9.

A. 2x - 5 = 9 B. 10x = 9 C. 2x + 5 = 9 D. x + 10 = 9

Mathematics

Find the standard equation of the parabola that satisfies the given conditions. Vertex: (-2, 3); directrix: y = -2

A. (y + 2)2 = 20(x - 3) B. (x + 2)2 = -20(y - 3) C. (x + 2)2 = 20(y - 3) D. (x - 3)2 = 20(y + 2)

Mathematics

Find the domain of the logarithmic function.f(x) = log4(x - 9)

A. (9, ?) B. (-9, ?) C. (-?, 9) or (9, ?) D. (-?, 0) or (0, ?)

Mathematics

Use a formula for perimeter or area to solve the problem.  Find the perimeter of the figure.

A. 12 in B. 20 in C. 10 in D. 8 in

Mathematics