Use the vertical line test to determine whether or not the graph is a graph of a function.
A. function
B. not a function
Answer: A
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Provide an appropriate response.For which of the following functions do both fx and fy exist?
A. II., III., and IV. B. I. and II. C. IV. only D. II. and IV.
Solve the problem.The following map shows the states Illinois, Indiana, Kentucky, West Virginia, and Virginia. Find a route that starts and ends in Virginia and crosses each common state border exactly one time.
A. VA ? KY ? IL ? IN ? KY ? VA ? WV ? KY B. No such route exists. C. VA ? WV ? KY ? IL ? IN ? KY D. VA ? WV ? KY ? IN ? IL ? KY ? VA
Evaluate the algebraic expression for the given value or values of the variable(s).2 + 6(x - 6)3;
x = 8
A. 50 B. -46 C. 14 D. 64
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Devon purchased tickets to an air show for 6 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $21; child's ticket: $16 B. adult's ticket: $19; child's ticket: $14 C. adult's ticket: $22; child's ticket: $17 D. adult's ticket: $20; child's ticket: $15