Find two functions defined implicitly by the given relation.x2 + y2 = 64
A. y = 
+ x or y = - 
- x
B. y = 
or y = - 
C. y = 
or y = 
D. y = 
+ x or y = 
- x
Answer: B
Mathematics
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Perform the indicated operation.Experiments on a new composite material yield
- 
.Simplify the expression.
A. 3K - 
?
B. K - 
?
C. K - 
?
D. 3K - 
?
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Factor completely. If the polynomial cannot be factored, say it is prime.x2 - x - 45
A. prime B. (x + 5)(x - 9) C. (x - 45)(x + 1) D. (x - 5)(x + 9)
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Find the power of 10. Round answers to six decimal places.100.6494
A. 0.522359 B. 0.224182 C. 4.460669 D. 1.161288
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Add.32,950 + 88,771 + 4638
A. 124,354 B. 161,359 C. 125,359 D. 126,359
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