Graph the function.y = -  cot  

A.

B.

C.

D.


Answer: B

Mathematics

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The following expressions represent denominators of rational expressions. Find their LCD.r2 + 3r, 4r + 12, and r2 + 6r + 9

A. 4(r + 3) B. 4r(r + 3)2 C. 4(r + 3)2 D. r(r + 3)2

Mathematics

Complete the magic (addition) square. A magic square has the property that the sum of the numbers in any row, column, or diagonal is the same.Use each number 16, 17, 18, 19, 20, 21, 22, 23, and 24 once.

A.

B.

C.

D.

Mathematics

Find the vertex and the intercepts. Then graph the function.f(x) = x2 - 2x - 8

A. Vertex (- 1, - 9); 
x-int = (-4, 0) and (2, 0); 
y-int = (0, 8)

B. Vertex (- 1, - 9); 
x-int = (-4, 0) and (2, 0); 
y-int = (0, -8)

C. Vertex (1, - 9); 
x-int = (2, 0) and (4, 0); 
y-int = (0, -8)

D. Vertex (1, - 9); 
x-int = (-2, 0) and (4, 0); 
y-int = (0, -8)

Mathematics

Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) =  

A. f(x) = , g(x) = 
B. f(x) =  , g(x) = 
C. f(x) = , g(x) = 
D. f(x) = , g(x) = 

Mathematics