Test the equation for symmetry with respect to the given axis, line, or pole.r cos ? = 4;
the polar axis
A. has symmetry with respect to polar axis
B. may or may not have symmetry with respect to polar axis
Answer: A
Mathematics
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Solve.
= -1
A. 1
B. -1
C. -
, 
D. -1, 1
Mathematics
Solve the problem.The half-life of Coper 61 is 3.3 hours. If the formula 
gives the percent (as a decimal) remaining after time t (in hours), sketch P versus t.
A. 
B. 
Mathematics
Find the eccentricity of the hyperbola.64x2 - 49y2 = 3136
A. 
B. 
C. 
D. 
Mathematics
Find the median for the set of numbers.102, 108, 214, 215, 310, 385
A. 215 B. 214 C. 214.5 D. 190.5
Mathematics