Determine whether the equation defines y as a function of x. y = 3x2 - 7x + 9
A. function
B. not a function
Answer: A
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Solve the problem.Find an ordered pair that satisfies the equation 6x + y = -11 by letting x = 1.
A. (1, -17) B. (1, 1) C. (-17, 1) D. (-17, -17)
Provide an appropriate response.The table shows the number of pupils per teacher in selected counties in a certain state. 
Which counties have a figure greater than 14.7?
A. Addison, Branson, Cumberland, Kendall B. Addison, Cumberland, Kendall C. Addison, Cumberland, Dixson, Kendall D. Addison, Branson, Cumberland
Solve.A $160 coat is on sale at 45% off. Find the sale price.
A. $72.00 B. $1528.00 C. $7.20 D. $88.00
Find the domain and range of the quadratic function whose graph is described.The vertex is (1, 6) and the graph opens down.
A. Domain: (-?, 1] Range: (-?, 6] B. Domain: (-?, ?) Range: (-?, 1] C. Domain: (-?, ?) Range: (-?, 6] D. Domain: (-?, ?) Range: [6, ?)