Determine the domain of f.f(x) = 
A. [-9, 9) ? (9, 23]
B. [-9, 23]
C. [9, 23]
D. [-9, ?)
Answer: B
Mathematics
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Solve the problem.Suppose that R ={(x, y): 0 ? x ? 4, 0 ? y ? 4}, and P is the partition of R into four equal squares by the lines x =2 and y = 2. 
approximate 
dA, by calculatiang the Riemann sum 
, assuming that 
are the centers of the four squares.
A. 320 B. 1280 C. 640 D. 140
Mathematics
Add or subtract.-952.28 - 55.26
A. 1007.54 B. -897.02 C. -1007.54 D. -786.5
Mathematics
Graph the equation.y = x2 - 5
A. 
B. 
C. 
D. 
Mathematics
Find the greatest common factor of the monomials.14y3, 56y8, and 196y4
A. 784y5 B. 14y5 C. 14y3 D. 56y3
Mathematics