Shade the solution set in the xy-plane.y ? -x2 - 6x - 4y ? x2 + 6x + 4
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Choose the graph that matches the function. f(x) = 2x + 5
A. 
B. 
C. 
D. 
Mathematics
If the statement is true for all sets C and D, write "true." If it is not true for all sets C and D, write "false." Assume that C ? ?, U ? ?, and C ? U.If C ? D, then C ? D.
A. True B. False
Mathematics
Graph the function over a one-period interval.y = 3 + 
sin (2x - ?)
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that all variables are nonzero.
A. 0 B. 1 C. 247 D. Undefined
Mathematics