Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -5
B. none
C. x = 0, x = - 
D. x = -25
Answer: B
Mathematics
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Solve the problem.Find an equation for the level curve of the function f(x, y) = 
dt that passes through the point 
.
A. y2 - x2 = 24 B. y2 - x2 = 26 C. y2 - x2 = -24 D. y2 + x2 = 26
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Perform the indicated operation. Simplify, if possible.
- 
+ 
A. 
B. 
C. 
D. 
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Choose the best answer.To bake a potato, you might set your oven at
A. 178° C. B. 100° C. C. 78° C. D. 356° C.
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Rewrite the series using summation notation. Use 1 as the lower limit of summation.- 
+ 
- 
+ . . . - 
A. 
B. 
C. 
D. 
Mathematics