Determine whether the relation is a function.{(-8, 4), (-8, 7), (1, 6), (4, -7), (7, 8)}
A. Not a function
B. Function
Answer: A
Mathematics
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Graph the function on the indicated interval.y = sin (?x) - 3 cos (2x), 0 ? x ? 6.5 
A. 
B. 
C. 
D. 
Mathematics
State the domain and range of the function.f(x) = 
A. Domain = (-?, ?); range = (7, ?) B. Domain = (-?, ?); range = (0, 7) C. Domain = (-?, ?); range = (-?, ?) D. Domain = (0, ?); range = (-?, ?)
Mathematics
Find an equation of a line satisfying the following conditions.Vertical, passing through (4, -3)
A. y = 4 B. y = -3 C. x = 4 D. x = -3
Mathematics
Convert the units.235 g = 
kg
A. 23,500 kg B. 0.0235 kg C. 0.235 kg D. 235,000 kg
Mathematics