Solve the problem.A projectile is fired from a cliff 300 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 350 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. 957.03 ft
B. 1257.03 ft
C. 3171.09 ft
D. 1914.06 ft
Answer: B
Mathematics
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A. 7 m/sec, -14 m/sec2 B. 21 m/sec, -14 m/sec2 C. 7 m/sec, - 2 m/sec2 D. -7 m/sec, - 2 m/sec2
Mathematics
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = tan u, u = -7x + 6
A. sec2(-7x + 6) B. - sec2(-7x + 6) C. -7 sec2(-7x + 6) D. -7 sec (-7x + 6) tan (-7x + 6)
Mathematics
Find the domain of the function.f(x) = log7(36 - x2)
A. (-?, -6) ? (6, ?) B. (-36, 36) C. (-6, 6) D. [-6, 6]
Mathematics
Find the indicated term of the geometric sequence.a4 when a1 = -1 and r = 
.
A. 
B. - 
C. - 
D. - 
Mathematics