Simplify the power of i.i30
A. i
B. -1
C. 1
D. -i
Answer: B
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Evaluate the expression.(-16 + 17) + (-3 + 10)
A. 14 B. 8 C. 40 D. -26
Evaluate the integral.
2x dx
A. - 
+ 
cot 2x + C
B. - 
- 
cot 2x + x + C
C. - 
+ 
cot 2x - x + C
D. - 
+ 
cot 2x + x + C
Solve the problem.In a study by psychologists Bornstein and Bornstein, it was found that the average walking speed w, in feet per second, of a person living in a city of population P, in thousands, is given by the function 
Find the walking speed of people in a city with a population of 1,541,211.
A. 14.25 ft/sec B. 4.47 ft/sec C. 5.32 ft/sec D. 3.62 ft/sec
Provide an appropriate response.The earth is approximately 92,900,000 miles from the sun. Write this number in scientific notation.
A. 9.29 × 106 B. 9.29 × 108 C. 9.29 × 107 D. 9.29 × 10-7