Graph the sinusoidal function using key points.y = 2 + sin x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve each equation for y as an expression in x. Then equate the expressions to obtain an equation in the variable x. Finally, solve the equation for the unknown x.y - 3x = 20; y - 2x = 5
A. {-15} B. {25} C. {15} D. {-25}
Mathematics
Use the graph of the rational function f(x) to complete the statement.As x?-2+, f(x)? 
. 
A. 0 B. -2 C. +? D. -?
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 7x
D. 16
Mathematics
Decide whether the relation is a function.{(1, 4), (2, 8), (6, -1), (8, -6), (12, 1)}
A. Function B. Not a function
Mathematics