Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 sin ?; the y-axis 
A. May or may not be symmetric about the y-axis
B. Symmetric about the y-axis
Answer: B
Mathematics
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Provide an appropriate response.Why can't y = 2x have an x-intercept?
What will be an ideal response?
Mathematics
Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 x ? 1
A. 
B. 
C. 
D. 
Mathematics
The nth term of a sequence is given. Calculate the fifth partial sum.an = 
A. 
B. 
C. 
D. 
Mathematics
Round the number so that there is only one nonzero digit.8,740,458
A. 8,000,000 B. 9,000,000 C. 7,000,000 D. 10,000,000
Mathematics