Use the binomial theorem to expand the expression.(2x2 + 1)3
A. 16x8 + 8x6 + 12x4 + 6x2 + 1
B. 8x6 + 12x4 + 6x2 + 1
C. 8x3 + 12x2 + 6x + 1
D. (4x4 + 4x2 + 1)3
Answer: B
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Determine the indicated term in the given sequence.The 6th term of 2, 8, 32, . . .
A. 1024 B. 2048 C. 32,768 D. 512
Determine the period of the function and sketch its graph.y = cos 
A. period: 8
B. period: 8
C. period: 8?
D. period: 4
Solve the problem.A projectile is fired from a cliff 400 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. How far from the base of the cliff is the height of the projectile a maximum?
A. 1914.06 ft B. 957.03 ft C. 3271.09 ft D. 1357.03 ft
Solve the inequality. Express your answer using interval notation.x - 4 < -5
A. (-?, -1)
B. (-?, -9]
C. (-1, ?)
D. (-?, -9)