Find the root.
A. Not a real number
B. 9
C. 3
D. -3
Answer: A
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Perform the following operation. ? Subtract x - 7 from 2x2 - 9x + 6. ?
A. 
B. 
C. 
D. 
E. 
Evaluate the improper integral.
A. -8 B. 8 C. 0 D. 4
Solve the problem.A projectile is fired from a height of 5.6 feet with an initial velocity of 163 ft/sec at an angle of 43° with the horizontal. The parametric equations for the path of the projectile are x = (163 cos 43°)t, and y = 5.6 + (163 sin 43°)t - 16t2,where x and y are in feet and t is in seconds. Find the height of the projectile after 4 seconds. Round your answer to the nearest tenth of a foot.
A. 386.3 ft B. 188.7 ft C. 476.8 ft D. 194.3 ft
Solve the problem. Round your answer, as needed.Dr. Wong can see 11 patients in 3 hours. At this rate, how long would it take her to see 99 patients?
A. 33 hours B. 26 hours C. 27 hours D. 363 hours