Graph the inequality.y ? -x2 - 4x + 5
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.The chart represents the amount of fuel consumed by a machine used in manufacturing. The machine is turned on at the beginning of the day, takes a certain amount of time to reach its full power (the point at which it uses the most fuel per hour), runs for a certain number of hours, and is shut off at the end of the work day. The fuel usage per hour of the machine is represented by a periodic function. When does the machine first reach its full power?
A. After 2 hours B. After 14 hours C. After 4 hours D. After 7 hours
Divide. If a repeating decimal is obtained, use notation such as 0.
, 0.
, or 0.
.2
A. 2.45
B. 2.4
C. 2.
D. 2.
Find the center and radius of the circle.x2 + y2 = -6x + 16
A. (-3, 0), r = 5 B. (-3, 0), r = 25 C. (3, 0), r = 5 D. (3, 0), r = 25
Find all values of the variable for which the rational expression is undefined.
A. 0 B. 4 C. -6 D. 24