Find the domain of the function.f(x) = 
A. {x|x ? 0}
B. {x|x ? 0}
C. all real numbers
D. {0}
Answer: C
Mathematics
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Solve the problem. Round to the nearest cent.On January 1, the unpaid balance in an account was $150. A payment of 
was made on January 21. The finance charge rate was 
per month of the average daily balance. Find the finance charge for the month of January.
A. $1.10 B. $2.60 C. $1.36 D. $1.50
Mathematics
Use the quotient rule to simplify.
A. 
B. 
C. 
D. 
Mathematics
If y varies directly as x, find the direct variation equation for the situation.y = 0.7 when x = 1.4
A. y = 2x B. y = x - 0.7 C. y = 0.7x D. y = 0.5x
Mathematics
Apply row operations to the augmented matrix to find the solution to the linear system.
A. x = 18, y = -9, z = 4 B. x = -9, y = 4, z = 18 C. x = 9, y = 1, z = 4 D. x = 9, y = 4, z = 1
Mathematics