Using the variable x, write the interval as an inequality.
A. -1 < x ? 3
B. x < -1 or x ? 3
C. -1 ? x ? 3
D. x < -1 or x > 3
Answer: B
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Solve the problem.The cost C, in dollars, of having a dinner party catered by Elaine's Kosher Catering Company can be approximated by the function 
where n is the number of people attending the party. The banquet hall where the dinner will be located can hold no more than 150 people. Find the domain of the function.
A. [7, 55] B. (-?, 150] C. [0, 150] D. (-?, ?)
Determine how many vertices and how many edges the graph has.
A. 6 vertices; 6 edges B. 6 vertices; 5 edges C. 6 vertices; 1 edge D. 6 vertices; 3 edges
Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.4 logbq - logbr
A. logb
B. logb
C. logb(q4 - r)
D. logbq4 ÷ logbr
Write the fraction as a decimal and then write the decimal as a percent. Round the decimal to three decimal places and the percent to the nearest tenth of a percent.
A. 61.648; 6164.8% B. 0.062; 6.2% C. 0.616; 61.6% D. 6.165; 616.5%