Provide an appropriate response.It can be shown that the inequalities -x ? x cos
? x hold for all values of x ? 0.Find 
x cos
if it exists.
A. 0
B. 0.0007
C. does not exist
D. 1
Answer: A
Mathematics
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Find the length of the indicated portion of the curve.r(t) = (4cos t)i + (4sin t)j + 5tk, 0 ? t ? ?/2
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Find the margin of error for the survey results described. In a poll of 358 adults, 44% said that they favored the proposed environmental laws.Give your answer as a decimal to three decimal places.
A. 0.026 B. 0.106 C. 0.003 D. 0.053
Mathematics
Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Mathematics
Solve the problem.A rocket takes off in a path described by the equation 
Find the distance traveled by the rocket for 
to 
A. 886 km B. 321 km C. 143 km D. 292 km
Mathematics