Provide an appropriate response.The graph of the equation y = -3x2 + 6x - 9 opens 
.
A. to the left
B. downward
C. upward
D. to the right
Answer: B
Mathematics
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Find the largest open interval where the function is changing as requested.Increasing y = (x2 - 9)2
A. (-3, 3) B. (-3, 0) C. (3, ?) D. (-?, 0)
Mathematics
Simplify.-6(-4 + 3)
A. -7 B. 6 C. -21 D. 27
Mathematics
Evaluate the polynomial for the given value of the variable.-3x3 + 5x2 - x + 1; x = -2
A. 37 B. 35 C. 47 D. 17
Mathematics
Perform the indicated operation. Write the answer in standard form.(-5 + 4i)(2 + i)
A. -6 - 13i B. -14 - 13i C. -6 + 3i D. -14 + 3i
Mathematics