What is the domain of f(x)? What is its range?f(x) = 
+ 4
A. Domain: (-?, 0) ? (0, ?); range: (-4, ?)
B. Domain: (-?, 4) ? (4, ?); range: (0, ?)
C. Domain: (-?, 0) ? (0, ?); range: (4, ?)
D. Domain: (-?, 0.6) ? (0.6, ?); range: (-?, 4)
Answer: C
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Solve the problem.The accompanying figure shows the graph of y = x2 shifted to a new position. Write the equation for the new graph.
A. y = x2 - 2 B. y = x2 + 2 C. y = (x - 2)2 D. y = (x + 2)2
Use the theoretical probability formula to solve the problem. Express the probability as a simplified fraction.A roulette wheel contains 54 slots numbered 1 through 54. The slots 1,4,7,... are red, the slots 2,5,8,... are green, and the slots 3, 6, 9,.... are brown. When the wheel is spun, a ball rolls around the rim and falls into a slot. What is the probability that the ball falls into a green slot?
A. 
B. 
C. 
D. 
Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 = 9 - 4x
A. -2 ± 1
B. -2 ± 
C. 2 + 
D. -1 ± 
Graph the equation.x2 + y2 + 10x + 8y + 37 = 0
A. 
B. 