Test the equation for symmetry with respect to the given axis, line, or pole.r = 2 - 2 cos ?;
polar axis
A. has symmetry with respect to the polar axis
B. may or may not have symmetry with respect to the polar axis
Answer: A
Mathematics
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Solve the equation.-0.1(200) + 0.08x = 0.02(200 + x)
A. {200} B. {410} C. {400} D. {390}
Mathematics
Solve the equation for the indicated variable. Assume no denominator is 0.2x2 - 4xy + 3y2 = 1, for x
A. x = 
B. x = -y ± 2
C. x = y ± (1 - y)
D. x = -y ± 
Mathematics
Find the inverse of the function.f(x) = (x - 4)2, x ? 4
A. f-1(x) = -
+ 4, x ? 0
B. Not a one-to-one function
C. f-1(x) = 
+ 4, x ? 0
D. f-1(x) = 
, x ? 4
Mathematics
Solve the problem.Since tan - 
= -1 and - 
is in the interval 
, tan-1 -1 =
A. 
B. 4
C. - 
D. 
Mathematics