Simplify.
A. 
B. 
C. 
D. 
Answer: B
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Determine if the function f defined by the arrow diagram has an inverse. If it does, create an arrow diagram that defines the inverse. If not, explain why not.
A. Yes;
B. No; the function is not one-to-one
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.80 as soon as you get in the taxi, to which a charge of $2.15 per mile is added. Find an equation that can be used to determine the cost, C(x), of an x-mile taxi ride, and use this equation to find the cost of a 7-mile taxi ride.
A. $18.75 B. $17.85 C. $18.03 D. $17.73
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 8 
- 3xy 
A. 2x2y2
B. 5xy3
C. 5x2y3
D. 2 xy2
Factor.
A. 
B. 
C. 
D. 
E. 