Provide an appropriate response.What form do planes perpendicular to the y-axis have in cylindrical coordinates?
A. r = a sin ?
B. r = a cos ?
C. r = a csc ?
D. r = a sec ?
Answer: C
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Find the derivative of the given function.y = (tan-1 5x)3
A. 15(tan-1 5x)2
B. 
C. 
D. 
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Solve.The width of a rectangle is 6 kilometers less than twice its length. If its area is 108 square kilometers, find the dimensions of the rectangle.
A. width = 9 km, length = 12 km B. length = 6 km, width = 6 km C. length = 3 km, width = 36 km D. length = 9 km, width = 12 km
Determine the slope and the y-intercept. Then graph the equation.y = - 
x - 1
A. m = - 
; y-intercept: (0, 1)
B. m = 
; y-intercept: (0, 1)
C. m = 
; y-intercept: (0, -1)
D. m = - 
; y-intercept: (0, -1)