Solve the radical equation, and check all proposed solutions.
= 4
A. ?
B. {4}
C. {16}
D. 
Answer: B
Mathematics
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Solve the system by addition.9x + 4y = -542x - 2y = -12
A. {(-7, 1)} B. {(-6, 1)} C. ? D. {(-6, 0)}
Mathematics
Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = cos x3
A. x + 3x + 
+ 
+ ...
B. 1 - x3 + 
- 
+ ...
C. 1 + 3x + 
+ 
+ ...
D. 1 - 
+ 
- 
+ ...
Mathematics
Solve the problem.A taxpayer's property has a fair market value of $92,000. The rate of assessment in the area is 25%. The tax rate is $6.76 per $100 of assessed valuation. Find the property tax.
A. $1,554.80 B. $6,219.20 C. $621,920.00 D. $155,480.00
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.-7x + 1 ? 15 or 5x + 3 ? -17
A. [-4, -2]
B. [-4, ?)
C. [-2, ?)
D. (-?, ?)
Mathematics