Make the required change in the given equation.? = 10 cos ? sin ? to cylindrical coordinates
A. z = 10r sin ?
B. z2 = 10r cos ? - r2
C. z2 = 10r sin ? + r2
D. r2 + z2 - 10rz sin ? = 0
Answer: B
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Write the indicated function.A rectangular sign is being designed so that the length of its base, in feet, is 16 feet less than 4 times the height, h. Express the area of the sign as a function of h.
A. A(h) = -16h2 + 2h B. A(h) = -16h + 4h2 C. A(h) = 16h - 2h2 D. A(h) = -16h + h2
Find the Maclaurin series for the given function.cos 4x
A. 
B. 
C. 
D. 
A system of nonlinear equations is given. Sketch the graph of the equation of the system and then determine the number of real solutions to the system. Do not solve the system.x2 + y2 = 25xy = 1
A. Two
B. Four
C. Two
D. Four
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No