Use the vertical-line test to determine whether the graph represents a function.
A. Yes
B. No
Answer: B
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Solve the problem.If a spring stretches 0.9 m when a 6-kg weight is attached to it, how much will it stretch when a 14-kg weight is attached to it? (Round to the nearest tenth.)
A. 5.1 m B. 1.1 m C. 2.1 m D. 4.1 m
Find the indicated premium. Round to the nearest cent. 
Find the quarterly premium.Face Value: $55,000Age of Insured: 30Sex of Insured: FType of Policy: Whole life
A. $80.94 B. $72.36 C. $311.30 D. $278.30
Find the value of x in the equation.x - 
= 
A. x = 
B. x = 
C. x = 
D. x = 2
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7500 in 2007 and $56,500 in 2012. Let x = 0 represent 2007. Find the equation giving yearly sales y.
A. S(x) = 9800x + 56,500 B. S(x) = 49,000x + 7500 C. S(x) = 49,000x + 56,500 D. S(x) = 9800x + 7500