Find the domain of the rational function.f(x) = 
A. all real numbers
B. {x|x ? -7}
C. {x|x ? 0}
D. {x|x ? 7}
Answer: B
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Provide an appropriate response.Without graphing explain the differences between the graphs of 
and 
What will be an ideal response?
Solve the problem.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.8 kilogram and ? = 30°? If necessary, round the answer to the nearest tenth of a Newton.
A. 3.8 N B. 3.9 N C. 6.8 N D. 7.7 N
Evaluate using the order of operations.-3 + 16 + 2 + (-20)
A. -3 B. -1 C. -5 D. 1
Divide:
?
A. 416 B. 537 C. 367 D. 417 E. 517