For the given rectangular equation, write an equivalent polar equation.y = x
A. r = cos ?
B. sin ? = - cos ?
C. r = sin ?
D. ? = 
Answer: D
Mathematics
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Find the absolute value.
A. 0 B. 2 C. 4 D. -2
Mathematics
Find the product.4(a + b)
A. 4ab B. 4a + 4b C. 4a + b D. 8ab
Mathematics
Suppose that the total number of units produced by a worker in t hours of an 8-hour shift can be modeled by the production function 
. Find the number of hours before the rate of production is maximized. That is, find the point of diminishing returns.
??
A. 
B. 
C. 
D. 
E. 
Mathematics
Multiply:
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Mathematics