Solve the problem.The polynomial function I(t) = -0.1t2 + 1.8t represents the yearly income (or loss) from a real estate investment, where t is time in years. After how many years does income begin to decline? Round to the nearest tenth of a year, if necessary.
A. 18 years
B. 9 years
C. 8 years
D. 12 years
Answer: B
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Provide an appropriate response.The price of an item is reduced by 20% in a sale. Two weeks later the price is increased to 20% more than the sale price. Do you think that the item has been restored to its original price? If not, do you think its price is now higher or lower than the original price? Explain your thinking.
What will be an ideal response?
Provide an appropriate response.Find the saddle values, if it exists, for the matrix game (include row and column location). 
A. 4; row 1 column 1 B. 4; row 2 column 1 C. 6; row 1 column 2 D. 3; row 2 column 1
Fill in the blank with the correct inequality symbol, using the rules for producing equivalent inequalities.If -2x > -8, then x 
4.
A. ? B. < C. ? D. >
Solve and graph.|4k + 2| - 2 > 1
A. 
, or 
B. 
, or 
? 
C. 
, or 
D. 
, or 
? 
