Solve the equation using the square root property.(x + 6)2 - 4 = 0
A. {- 4}
B. {-8}
C. {-2, 2}
D. {-8, - 4}
Answer: D
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Solve.The angular velocity ? (in rad/s) of a pendulum is 
Find the angular displacement ? as a function of t if ? = 0 for t = 0.
A. ? = -0.3 sin 8t + 0.3 B. ? = 0.3 cos 8t C. ? = -0.3 sin 8t D. ? = -2.4sin 8t
Determine whether the equation defines y as a function of x. y2 = 8 - x2
A. function B. not a function
Solve the inequality. Write the solution set in interval notation.-3(-3 - x) < 5x + 21 - 12 - 2x
A. (-?, 9) B. (-?, 0) C. all real numbers D. ?
Solve.A bicycle wheel rotates 400 times in a minute as long as the rider is pedaling. If the rider stops pedaling, the wheel starts to slow down. Each minute it will rotate only 3/4 as many times as in the preceding minute. How many times will the wheel rotate in the 5th minute after the rider's feet leave the pedals? Round your answer to the nearest unit.
A. 95 times B. 2 times C. 0 times D. 127 times