Evaluate the function.Find f(0) when f(x) = x2 + 4x + 4.
A. 4
B. 0
C. 16
D. -4
Answer: A
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Solve the problem. If necessary, round to the nearest tenth.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 = 0.5 kilogram and ? = 45°?
A. 3.4 N B. 4.2 N C. 3.5 N D. 3.3 N
If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Answer the question.Which number is larger?
A. 27.1231 B. 27.1138
Provide an appropriate response.If m < 0, the graph of f(x) = mx + b 
.
A. has no intercept B. is a horizontal line C. slopes downward to the right D. does not represent a function