Graph the system of inequalities, and find the coordinates of the vertices.3y + x ? 0,y + 2x ? 10,y ? 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Shade the regions representing the set.B ? (A ? C') 
A. 
B. 
C. 
D. 
Mathematics
Write out the sum. Do not evaluate.
A. 1 - 5 - 5 - 3 B. -5 + 5 - 3 - 1 C. -5 - 5 - 3 + 1 + ... D. -5 - 5 - 3 + 1
Mathematics
Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = -7x2 - 2x - 6
A. maximum; 
B. minimum; 
C. minimum; - 
D. maximum; - 
Mathematics
Evaluate the function.Find f(-1).
A. 4 B. -4 C. 2 D. -1
Mathematics