Solve the problems.A cheetah can run at a speed of approximately 69 miles per hour. Calculate this speed in feet per second. Round to the nearest whole number.
A. 112 ft./sec.
B. 101 ft./sec.
C. 138 ft./sec.
D. 93 ft./sec.
Answer: B
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The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Integrate the function.
dx
A. 
ecos 2x + C
B. 
ln 
+ C
C. 9 sin x cos x + C
D. 
ln 
+ C
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°) B. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°) C. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°) D. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°)
Express the solution set of the inequality in interval notation.x < 6
A. [6, ?) B. (-?, 6] C. (6, ?) D. (-?, 6)