Find an equation in rectangular coordinates for the equation given in cylindrical coordinates. 
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Q1: Use cylindrical coordinates to find the volume
Q4: Find and simplify the function <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4584/.jpg"
Q7: Use the gradient to find the directional
Q10: Find the first partial derivative for the
Q11: Consider the function <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4584/.jpg" alt="Consider the
Q13: Find <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4584/.jpg" alt="Find .
Q13: Find the Jacobian for the change of
Q14: Find the area of the portion of
Q19: Find the directional derivative of the function
Q21: Use polar coordinates to find the limit.