The graph of a function f(x) is sketched below. Which of the following is f(x)?
A. f(x) = 
- 2
B. f(x) = 
+ 2
C. f(x) = x2 - 5x - 2
D. f(x) = 
Answer: B
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Solve the application problem.The floor of a rectangular storage room is divided into two right triangles by drawing a diagonal. One leg of the resulting triangle, the width of the room, is 
less than two times the other leg, the length of the room. The hypotenuse is 
Find the length and the width of the room.
A. length: 9 ft width: 12 ft B. length: 12 ft width: 18 ft C. length: 9 ft width: 24 ft D. length: 9 ft width: 3 ft
Find all real and imaginary solutions to the equation.y4 - 8y2 + 12 = 0
A. {± 
, ± 
}
B. {-6, -2}
C. {±i
, ±i
}
D. {6, 2}
The graph of a function f is given. On the same axes, sketch the graph of f-1. 
A. 
B. 
Given matrices A = 
, B = 
, and C = 
, decide if the statement is true or false.A(B + C) = AB + AC
A. True B. False