A ball rebounds to one-quarter the height from which it was dropped. Approximate the total vertical distance the ball travels after being dropped from 3 ft above the ground, until it comes to rest.
(a) 5 ft
(b) 5.25 ft
(c) 4.125 ft
(d) 3.5 ft
(e) 3.25 ft
(a) 5 ft
Mathematics
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Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 + 4x - 48
A. y-intercept (0, -48) B. y-intercept (0, 4) C. y-intercept (0, 48) D. y-intercept (0, -6)
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B. 4i - 6j + 2k
C. 2i + 3j - 
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D. 2i - 3j - 
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Solve the equation for solutions in the interval [0, 2?).cos 2x = 
- cos 2x
A. 
B. 
C. ?
D. 
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