Solve the inequality graphically.x2 - 3x - 4 ? 0
A. [-1, 4]
B. (-?, -1] ? [4, ?)
C. (-?, -1]
D. [4, ?)
Answer: A
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Write an algebraic expression for each quantity using the given variable.The second angle of a triangle is triple the first. The third angle of the triangle is 
smaller than the first. Use the letter x.
A. x = first angle; 3x = second angle; 40 - x = third angle B. x = first angle; 3x = second angle; x + 40 = third angle C. x = first angle; x - 40 = second angle; 3x = third angle D. x = first angle; 3x = second angle; x - 40 = third angle
Perform the following division and be sure your answer is reduced to the lowest form.
3x 5x2 a. ÄÄ ö ÄÄÄ 8 7 xy2 7z2 b. ÄÄÄ ö ÄÄÄÄ 3z 8xy3
Perform the calculation. Express the answer in degree-minutes-seconds format.214°33' + 57°44'
A. 272°77' B. 18°17' C. 272°17' D. 18°77'
Find the domain.y = 
A. (-?, ?) B. (-?, 2) ? (2, ?) C. (-?, 5) ? (5, ?) D. (-?, -5) ? (-5, ?)