Identify and graph the polar equation.r = 4 sin(2?) 
A. 
rose with four petals
B. 
lemniscate
C. 
circle
D. 
rose with two petals
Answer: A
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = x2 - 1, [0, 8], right-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Find the indicated product.(a + 7b)(x + y)
A. ax + 9bx + ay + 8by B. ax + 7bx + ay + by C. ax + 7bx + ay + 7by D. ax + 8bx + ay + 7by E. ax + bx + ay + 8by
Mathematics
Subtract.-1 - (-1)
A. -2 B. -1 C. 2 D. 0
Mathematics
Solve the equation
?
?
A. ?
B. 
C. 
D. 
E. 
Mathematics