Solve the problem.A projectile is fired from a cliff 200 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 380 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. Find the maximum height of the projectile.
A. 3584.38 ft
B. 2256.25 ft
C. 1328.13 ft
D. 1128.13 ft
Answer: C
Mathematics
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Write the complex number in trigonometric form, using degree measure for the argument.4
A. 4(cos 90° + i sin 90°) B. 4(cos 270° + i sin 270°) C. 4(cos 180° + i sin 180°) D. 4(cos 0° + i sin 0°)
Mathematics
Solve.p2 - 10p + 21 > 0
A. (3, 7), or {p
3 < p < 7}
B. (7, ?), or {p
p > 7}
C. (-?, 3) ? (7, ?), or {p
p < 3 or p > 7}
D. (-?, 3), or {p
p < 3}
Mathematics
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (even), -
(even), 2 (odd)
B. -3 (odd), -
(even), 2 (odd)
C. -3 (even), -
(odd), 2 (even)
D. -3 (odd), -
(odd), 2 (even)
Mathematics
Graph the equation.k(x) = x2 - 2x - 9
A. 
B. 
C. 
D. 
Mathematics