Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 
?
B. 
?
C. 
?
D. 2?
Answer: C
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Find an explicit formula for an.0, 
, 0, 
, 0, . . .
A. an = 
B. an = 
C. an = 
D. an = 
A statement is made about correlation. State whether the correlation is positive or negative and whether the correlation is most likely due to coincidence, a common underlying cause, or a direct cause.People who eat a lot of junk food are heavier, on the whole, than those who do not.
A. Negative correlation; direct cause B. Positive correlation; coincidence C. Positive correlation; direct cause D. Positive correlation; common underlying cause
Solve the equation on the interval 0 ? ? < 2?.sin2 ? = 5(cos ? + 1)
A. {0}
B. {?}
C. No solution
D. 
Give the value of the function in radians. Round your answer to three decimal places.tan-1 3.5744
A. 1.198 B. 1.298 C. 1.498 D. 1.398