Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 - 4 cos ?; the y-axis 
A. Symmetric about the y-axis
B. May or may not be symmetric about the line y-axis
Answer: B
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Solve the problem.An object is propelled vertically upward from the top of a 224-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2.0 sec B. 7.0 sec C. 2 sec D. 2.5 sec
Choose the most reasonable unit of measure.Area of a soccer field: 5562 
(in.2, ft2, yd2, mi2)
A. ft2 B. yd2 C. in.2 D. mi2
Provide an appropriate response.Find f'(x) for f(x) = (ln x)8
A.
B. 
C. 
D. 8 ln7 x
E. 
Suppose angles 1 and 2 are supplementary and ?1 = 
.Then ?2 = _____°.
A. 
B. 
C. 
D. 
E. 