Find the formula for the function.Express the length d of a square's diagonal as a function of its side length x.
A. d = x
B. d = x
C. d = x
D. d = 2x
Answer: C
Mathematics
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Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0
A. {-4 ± 2
}
B. {4 ± 
}
C. {-1 ± 
}
D. {-4 ± 
}
Mathematics
Evaluate.8x - 4y for x = 4 and y = 2
A. 24 B. 28 C. 40 D. 30
Mathematics
Solve the problem.Suppose you purchase a 15-year U.S. savings bond with an APR of 
%. The face value of the bond is $6000. Find the purchase price of the bond.
A. $3934.43 B. $4078.16 C. $4137.93 D. $4033.61 E. $3990.02
Mathematics
Find the difference.Subtract 37.7231 from 57.5454.
A. 19.8123 B. 19.8223 C. 20.8223 D. 19.7223
Mathematics