Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 6x
A. (3, 9); x = 3
B. (-3, -9); x = -3
C. (-9, 3); x = -9
D. (9, -3); x = 9
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find the domain and range of the function g(x, y) = x² + 8y² + 3.
What will be an ideal response?
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Express in terms of i.
A. 2i
B. -2i
C. -2
D. 2
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Solve the inequality graphically. Express the solution in set-builder notation.-7x + 11 ? -8x + 12
A. {
x > -7}
B. {
x ? 1}
C. {
x < -7}
D. {
x ? 1}
Mathematics