Solve the problem.Find an equation for the level curve of the function f(x, y) = 
that passes through the point 
.
A. x2 + y2 = 7
B. x2 + y2 = 25
C. x2 + y2 = 5
D. x + y = 5
Answer: B
Mathematics
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Find the domain of the logarithmic function.f(x) = ln(-7 - x)
A. (-?, -7) B. (-?, 7) C. (-7, ?) D. (7, ?)
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Factor the trinomial, if possible.3x2 + 7x + 20
A. (3x + 5)(x - 4) B. prime C. (3x + 4)(x - 5) D. (3x - 5)(x + 4)
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Solve.-5 = z - 7.9
A. 12.9 B. -12.9 C. 2.9 D. -2.9
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Subtract.
A. 6 B. 32 C. 98 D. 12
Mathematics