Simplify the expression. Assume that all variables are positive when they appear.2
+ 
A. 6
B. 3
C. 2
+ 
D. 5
Answer: D
Mathematics
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Find the Taylor series generated by f at x = a.f(x) = x4 + 6x2 - 4x - 7, a = 2
A. (x - 2)4 - 8(x - 2)3 + 30(x - 2)2 + 60(x - 2) + 9 B. (x - 2)4 + 8(x - 2)3 + 30(x - 2)2 + 60(x - 2) + 9 C. (x - 2)4 + 8(x - 2)3 + 30(x - 2)2 + 52(x - 2) + 25 D. (x - 2)4 - 8(x - 2)3 + 30(x - 2)2 + 52(x - 2) + 25
Mathematics
Solve by completing the square to obtain exact solutions.x2 = 9 - 4x
A. -1 ± 
B. -2 ± 
C. 2 + 
D. -2 ± 2
Mathematics
Solve the problem.The monthly payment on a(n) $89,000 loan at 3% annual interest is $493.59. What is the balance of principal after the first monthly payment?
A. $88,185.76 B. $89,222.50 C. $88,728.91 D. $88,644.00
Mathematics
Multiply or divide as indicated.(-5) × (-7) × (-4)
A. 140 B. -150 C. -140 D. -40
Mathematics