Solve the equation.
+ 5 = x
A. {9, 18}
B. {2}
C. {9}
D. {2, 9}
Answer: C
Mathematics
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Solve.x3 + 10x2 + 23x ? 0
A. (-?, -5 - 
] ? [0, ? ]
B. (-?, -5 - 
] ? [-5 + 
, ?)
C. [-5 - 
, -5 + 
] ? [0, ?)
D. [-5 - 
, ?)
Mathematics
Check to see if the given number is a solution for the equation.x3 + 7x2 = - 8(x2 + 7x); check x = -8
A. -8 is not a solution. B. -8 is a solution.
Mathematics
Solve the problem.If f(x) gives the cost of a rental car after x days of use 
per day, then what does 
give?
A. The number of days rented for 37 dollars B. The cost of rental for 37 days C. The number of days rented for x dollars D. The cost of rental for x days
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics