Determine whether the equation has two distinct real number solutions, one real number solution, or no real number solution.x2 + 4x + 4 = 0
A. no real number solution
B. two real number solutions
C. one real number solution
Answer: C
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? < 0Find sin(2?).
A. - 
B. 
C. 
D. 
Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Solve the problem.A one-story building is 410 ft by 170 ft. If a square patio with sides 21 ft occupies the center of the building, how much area remains for offices?
A. 1139 ft2 B. 1160 ft2 C. 1076 ft2 D. 69,259 ft2
Solve the problem.The resistance, in ohms, of a 25 foot piece of wire is given by the function 
, where d is the diameter of the wire in inches. What happens to the resistance of the wire as the diameter of the wire decreases?
A. The resistance decreases. B. The resistance increases. C. The answer cannot be determined without additional information. D. The resistance remains constant.