Determine whether or not the graph is a graph of a function of x.
A. Function
B. Not a function
Answer: A
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Answer the question.Tell which of the following distributions would have the most variation.
A. Salaries of high-school teachers B. Salaries of CEOs of U.S. corporations C. Salaries of waitresses D. Salaries of bank clerks
Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."b2 - 28b + 196
A. (b + 14)(b - 14) B. (b - 14)2 C. (b + 14)2 D. not a perfect square
Solve.A storehouse stores 270 different inventory items. 
of these items are perishable. How many of the inventory items are perishable?
A. 212 items B. 220 items C. 54 items D. 216 items
Solve the problem. Write ratios in simplest form.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater. Find the ratio of pollutant D to pollutant B. 
A. 
B. 
C. 
D. 