Find the dimension of the matrix.
A. 5 × 3
B. 15
C. 2, -9, -9, 6, 4, 5, 9
D. 3 × 5
Answer: D
Mathematics
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Match the equation with the surface it defines.
+ 
+ 
= 1 
A. Figure 3 B. Figure 2 C. Figure 1 D. Figure 4
Mathematics
Graph the function. State the domain and range.y = -2x2 - 20x - 55
A. 
Domain: ? Range: y ? - 5
B. 
Domain: ? Range: y ? - 5
C. 
Domain: ? Range: ?
D. 
Domain: ? Range: y ? - 5
Mathematics
Provide an appropriate response.If y = (x2 + 3x + 1)2, then y'' =
A. 2(6x2 + 18x + 11). B. 2(3x2 + 9x + 5). C. (2x + 3)2. D. 8(2x + 3)2. E. 4.
Mathematics
Graph.7x2 - y2 - 56x + 14y - 49 = 0 
A. 
B. 
C. 
D. 
Mathematics