Solve by trial.y ? 2 = 8
A. 0
B. 4
C. 3
D. 5
Answer: B
Mathematics
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Subtract.691 - 21
A. 670 B. 660 C. 682 D. 770
Mathematics
Find the coordinates of the vertex and the direction of opening of each parabola.y = -(x + 4)2 + 5
A. (5, -16) opens upward B. (-5, 4) opens downward C. (5, -4) opens upward D. (-4, 5) opens downward
Mathematics
Solve the inequality. Express your answer using interval notation.-3(4x - 4) < -15x - 6
A. (-?, -2]
B. (-6, ?)
C. (-?, -6]
D. (-?, -6)
Mathematics
Use the graph to determine the domain and range of the function.
A. domain: {x|x ? 0} range: all real numbers B. domain: {x|x ? -8 or x ? 8} range: {y|y ? 0} C. domain: all real numbers range: {y|y ? -8 or y ? 8} D. domain: {x|x ? 0} range: {y|y ? -8 or y ? 8}
Mathematics