E ( X )
The probability density function of X is f (x) = 3/ x4 over [1, ?) . Compute the following quantity.
3 / 2
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There are initially 5.00 inches of snow on the ground. It begins snowing, and snow falls at a steady rate of 4.00 inches per hour.
?
?
A: Explain why the depth 
, in inches, of snow on the ground is a linear function of the number of hours 
since the snowfall began.
?
B: Find a formula that gives the depth of snow on the ground after 
hours of snowfall.
?
C: Solve the equation you found in part 
for 
and explain in practical terms what this equation tells you.
What will be an ideal response?
Evaluate the improper integral.
A. 
B. 
C. 
D. 
Determine whether the polynomial is a sum of cubes, a difference of cubes, or neither.x3 + 729
A. Sum of cubes B. Neither C. Difference of cubes
Determine convergence or divergence of the series.
A. Diverges B. Converges