Answer the question or provide an explanation.Suppose the formula A = 2?rh + 2?r2 is solved for r with the following result: r = 
. Explain why this is not correct.
What will be an ideal response?
The variable r cannot appear on both sides of the final result.
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 5t + 4, y = 15t + 16, -? ? t ? ?
A. y = 3x - 4 B. y = 15x + 4 C. y = 3x + 4 D. y = 3x + 16
Write the set in set-builder notation.{2}
A. {x is a constant} B. {x | x is the natural number 2} C. {x | x is a natural number} D. {x}
Determine whether the collection is not well defined and therefore not a set.The collection of beautiful oil paintings currently on display at an art gallery
A. well defined; set B. not well defined; not a set
Write the integral that gives the surface area generated when the curve is revolved about the x-axis. Do not simplify.y = tanx on 
A. 2?
dx
B. 
dx
C. 
dx
D. 2?
dx