Solve the nonlinear system of equations.x2 - y2 = 39x - y = 3
A. {(-8, -5)}
B. {(-8, 5)}
C. {(8, -5)}
D. {(8, 5)}
Answer: D
Mathematics
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Integrate the given expression.
dx
A. 
x2 + 
x + C
B. 
x3 + C
C. - 
x3 - 
x2 + C
D. 
x3 - 
x2 + C
Mathematics
Find a Cartesian equation for the parametric equations.x = t - 3, y = t2 + 5
A. y = x2 - 6x - 14 B. y = x2 + 14 C. y = x2 - 14 D. y = x2 + 6x + 14
Mathematics
Find a general term, an, for the given terms of the sequence.2, 6, 10, 14, 18, . . .
A. an = 4n-1 B. an = 4n - 2 C. an = 2n - 4 D. an = n + 4
Mathematics
Write the expression in the form a + bi, where a and b are real numbers.-7 + 
A. 7 - 2i
B. -7 - 2i
C. 7 + 2i
D. -7 + 2i
Mathematics