Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.
A. 53.1°
B. 117.1°
C. 216.9°
D. 233.1°
Answer: D
Mathematics
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Find the domain and the range of the functions or relations from the graph.
A. domain: [5, ?); range: (-?, ?) B. domain: (-?, ?); range: (-?, ?) C. domain: (-?, ?); range: [5, ?) D. domain: [0, ?); range: (-?, ?)
Mathematics
Solve and simplify.
+ y = 
A. y = 1
B. y = 
C. y = 
D. y = 
Mathematics
Find the product.(6y - 5)(36y2 + 30y + 25)
A. 216y3 + 125 B. 216y3 + 150y2 - 125 C. 36y3 + 125 D. 216y3 - 125
Mathematics
Answer the question.For f(x) = x2 - 16 and g(x) = 2x + 3, what is the domain of 
A. All real numbers
B. 
C. 
D. 
Mathematics