Evaluate the polynomial.2x2 - y2 + 2xy for x = -3 and y = -5
A. 73
B. -73
C. -37
D. 23
Answer: D
Mathematics
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Find the infinite sum accurate to three decimal places.
A. 0.460 B. -0.859 C. -0.320 D. 0.859
Mathematics
Find a formula for the nth term of the sequence.-7, -6, -5, -4, -3 (integers beginning with -7)
A. an = n + 7 B. an = n - 7 C. an = n - 8 D. an = n - 6
Mathematics
Give the equations of any horizontal asymptotes for the graphs of the rational functions.h(x) = 
A. y = 0
B. y = 
C. none
D. y = 
Mathematics
Find the quotient and the remainder.x2 - 81a2 divided by x - 9a
A. x2 - 18xa B. x - 9a C. x2 + 18xa D. x + 9a
Mathematics