For the compound inequality, give the solution set in both interval and graph forms. 3x - 10 ? -13 or 3x - 10 ? -1
A. (-?, 3]
B. (-?, -1] ? [3, ?)
C. [-1, ?)
D. [-1, 3]
Answer: A
Mathematics
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Perform the indicated operations.(2x + y - z)2
A. 4x2 + y2 + z2 - 2xyz B. 4x2 + y2 + z2 + 2xy - 2xz - 2yz C. 4x2 + y2 + z2 D. 4x2 + y2 + z2 + 4xy - 4xz - 2yz
Mathematics
Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having focus (, 0) and directrix x =
A. x2 + = 1
B. +
= 1
C. + y2 = 1
D. + y2 = 1
Mathematics
The figure below shows the graph of a function y = f(x). Use this graph to solve the problem.Sketch the graph of y = f(x - 3).?
A.
B.
C.
D.
Mathematics
Factor the expression.x2 + 15x
A. x(x2 + 15) B. x2(1 + 15x) C. x(x + 15) D. No common factor
Mathematics