Perform the indicated operation involving cylindrical coordinates.Write the equation z = x2 + y2 in cylindrical coordinates
A. r tan ? = 1
B. z = r2
C. z = r2(cos ? + sin ?)
D. r = cot ? csc ?
Answer: B
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Simplify the expression using the order of operations.2[(5 + 2? 72) - 5( 7 - 3)]
A. 166 B. 130 C. 168 D. 246
Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = 
i + 
j
What will be an ideal response?
Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. 
D. z - 3
Solve the problem.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 9.0 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 3.75 inches above the ground? Round to the nearest tenth.
A. 1.3 inches B. 9.0 inches C. 0.9 inches D. 7.1 inches