Find the domain of the composite function f ? g.f(x) = x + 4; g(x) = 
A. {x 
B. {x 
C. {x 
D. {x 
Answer: D
Mathematics
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Solve the equations.x2 = 
A. 
B. ± 
C. 
D. ± 
Mathematics
Graph the inequality.y ? - 5x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Two angles are complementary (meaning that the sum of their measures is 90°) and the sum of twice one angle plus the other is 120°. Find the measure of each angle.
A. 30°, 60° B. 41°, 38° C. 35°, 55° D. 30°, 150°
Mathematics
Solve the problem.A building 290 feet tall casts a 100 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person's eyes are level with the top of the building.)
A. 71° B. 70° C. 19° D. 20°
Mathematics