Write a polynomial in two variables that describes the total area of the shaded region. Express the polynomial as the sum or difference of terms.xy 3
A. x2y2 - 9
B. x2y2 + 9
C. x2y2 - 6xy + 9
D. x2y2 - 6xy - 9
Answer: A
Mathematics
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Find the radius of convergence of the power series.
A. 5 B. 0 C. ? D. 10
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Perform the indicated operation.
÷ (a + 5b)
A. - 
B. -1
C. -(a - 5b)(a + 5b)
D. - 
Mathematics
Find the sum.(-6) + (-1) + 4 + 9 + ... + 39
A. 170 B. 160 C. 330 D. 165
Mathematics
Determine whether the function exhibits linear or exponential growth. Find an algebraic expression representing the function. 
A. f(x) = 4(8)x
B. f(x) = 24x + 8
C. f(x) = 
x + 8
D. f(x) = 8(4)x
Mathematics