Provide an appropriate response.If the vertex of the graph of a quadratic function lies in quadrant IV and the graph is concave up, how many x-intercepts does the graph have?
A. 1
B. 0
C. 2
D. 3
Answer: C
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
u = xy, v = 
where D is the rectangle 1 ? x ? 4, 
? y ? 2
?
A.
 ? |  |
B.
 ? |  |
C. None of these.
D.
 ? |  |
Mathematics
Supply the missing numbers. fraction decimal percent0.54
A. 
5.4%
B. 
5.4%
C. 
54%
D. 
54%
Mathematics
Write the first five terms of the geometric sequence with the given information.The first term is -8 and the common ratio is -2.
A. -8, -16, -32, 64, -128 B. -8, -10, -12, -14, -16 C. -2, 16, -32, 64, -128 D. -8, 16, -32, 64, -128
Mathematics
Graph the solution set of the system of inequalities.y ? -x2y ? x + 1y ? -5x ? -4
A. 
B. 
C. 
D. 
Mathematics