Simplify the expression using the order of operations.32 + 6 ? 3
A. 14
B. 114
C. 288
D. 50
Answer: D
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List the elements in the set .Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. (A ? B)'
A. {r, t, u, v, w, x, z} B. {s, u, w} C. {t, v, x} D. {q, s, t, u, v, w, x, y}
Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 12?t inches after t seconds. What is the maximum height that the weight reaches above the equilibrium position and when does it first reach the maximum height? Round values to two decimal places, if necessary.
A. The maximum height of 10 inches is first reached after 3 seconds. B. The maximum height of 10 inches is first reached after 6 seconds. C. The maximum height of 5 inches is first reached after 6 seconds. D. The maximum height of 5 inches is first reached after 0.08 seconds.
Divide, if possible. If not possible, write "not defined."
A. 7 R3 B. 7 R4 C. 8 D. 9
Solve.The motion of a projectile that is fired at a 60° angle with the horizontal is given by x = 
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 400 feet per second at an angle of 60° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 21.7 seconds (b) 4330 feet B. (a) 43.3 seconds (b) 11,250 feet C. (a) 6.3 seconds (b) 625 feet D. (a) 10.8 seconds (b) 1875 feet