Solve the inequality.x2 - 25 > 0
A. (-25, 25)
B. (-?, -5) or (5, ?)
C. (-?, -25) or (25, ?)
D. (-5, 5)
Answer: B
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Find the open intervals on which the function is increasing and decreasing. Identify the function's local and absolute extreme values, if any, saying where they occur.
A. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5) absolute maximum at (-5, 3); local maximum at (0, 0) and (2, 0); absolute minimum at (5, -3) B. increasing on (-3, 1); decreasing on (-5, -3) and (0, 5) absolute maximum at (-5, 3); no absolute minimum C. increasing on (-3, 0); decreasing on [-5, -3) and (2, 5] absolute maximum at (-5, 3); absolute minimum at (5, -3) D. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5) absolute maximum at (-5, 3); local minimum at (-3, -3) and (5, -3)
Solve for the unknown whole number in the expression.60 ÷ x = 8 R 4
A. 7 B. 3 C. 17 D. 11
Find all solutions of the equation in the interval [0°, 360°).2 sin2 ? - 3 sin ? - 2 = 0
A. {90°, 150°, 210°} B. {210°, 330°} C. {240°, 300°} D. {90°, 210°, 330°}
Perform the conversion. Round to the nearest hundredth when necessary.6 km to mi
A. 5.68 mi B. 3.73 mi C. 6.36 mi D. 9.66 mi