Fill in each blank with the appropriate response.The graph of y = -7x2 can be obtained from the graph of y = x2 by vertically stretching by a factor of ___ and reflecting across the __-axis.
A. 7; y
B. -7; x
C. -7; y
D. 7; x
Answer: D
Mathematics
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Graph the parabola described.Vertex at (0, 0); Focus at (0, -2)
A. 
B. 
C. 
D. 
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Simplify. Assume that all variables represent positive numbers.
A. y3
B. 
C. y
D. y6
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Solve the given equation for x.log3x = 2
A. 
B. 
C. 
D. 
Mathematics
Round to the nearest dollar.$228.55
A. $228.50 B. $228 C. $227.55 D. $229
Mathematics