Find the open interval(s) where the function is changing as requested.Decreasing; f(x) = x3 - 4x
A. (-?, ?)
B. 
C. 
D. 
Answer: B
Mathematics
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Identify the number as prime or composite.24
A. Prime B. Composite
Mathematics
Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 - 10x + 25 = 0
A. no real solution B. two unequal real solutions C. repeated real solution
Mathematics
Determine the quadrant containing ?.cot ? > 0 and csc ? > 0
A. I B. II C. III D. IV
Mathematics
Write the interval in set-builder notation and graph the set on a number line.(-?, 5)
A. {x|x ? 5}
B. {x|x < 5}
C. {x|x > 5}
D. {x|x ? 5}
Mathematics