Use the vertical line test to determine whether the graph represents a function.
A. not a function
B. function
Answer: A
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Solve the problem.In a certain medium, sound travels at a speed of 7895 feet per second. How many meters per second does sound travel in this medium? Round to the nearest tenth.
A. 25,895.6 m/s B. 3079.1 m/s C. 2368.5 m/s D. 7184.5 m/s
Solve the problem. Round rates to the nearest tenth of a percent and dollar amounts to the nearest cent.A jewelry store purchased 80 fashion watches for $2400. If the store sold 40 watches at $60, 32 watches at $54, and the rest at $30, find (a) the total markup, (b) the markup percent on selling price, and (c) the equivalent markup percent on cost.
A. $1968, 45.1%, 82% B. $1968, 82%, 45.1% C. $2400, 55%, 72% D. $4368, 100%, 182%
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -2, 1 B. -2, 1, 8 C. -1, 2 D. -2, 0, 1
Find the reciprocal.- 
A. - 
B. -8
C. 
D. 