Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 15)2
A. above the x-axis: (-?, -15), (-15, ?)
below the x-axis: no intervals
B. above the x-axis: no intervals
below the x-axis: (-?, -15), (-15, ?)
C. above the x-axis: (-15, ?)
below the x-axis: (-?, -15)
D. above the x-axis: (-?, -15)
below the x-axis: (-15, ?)
Answer: A
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Find the indicated probability. Round your answer to 6 decimal places when necessary.A bag contains 6 red marbles, 3 blue marbles, and 5 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue?
A. 
B. 
C. 
D. 
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 16x2 + 64x + 25y2 - 100y - 236 = 0
A. C: (-2, 2); V: (-7, 2), (3, 2); F: (-6, 2), (2, 2) B. C: (-2, 2); V: (-7, 2), (3, 2); F: (-5, 2), (1, 2) C. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -5), (2, 1) D. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -6), (2, 2)
1915 hours military time = _____ standard time.
A. 12:15 AM B. 7:15 PM C. 5:15 AM D. 7:15 AM
Solve the equation by factoring.x2 - 100 = 0
A. {10, -10} B. {10} C. {100} D. {-10}