Use a graphing utility to graph the function and then answer the question.The polynomial function 
represents the yearly income (or loss) from a real estate investment, where t is time in years. After what year does income begin to decline?
A. 5.5
B. 8.67
C. 6.5
D. 13
Answer: C
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. 
D. - 
Mathematics
Find the absolute value.
A. 0.024 B. 0 C. -0.024 D. 0.048
Mathematics
Find the common ratio.1, -3, 9, -27, 81, . . .
A. 3
B. - 
C. -4
D. -3
Mathematics
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Six times a number added to -5, subtracted from twice the sum of seven times the number 
A. 6(x - 5) - (2 + 7)(x + 9); -111 - 3x B. (-5 + 6x) - 2(7x + 9); -23 - 8x C. 2(7x + 9) - (-5 + 6x); 23 + 8x D. (2 + 7)(x + 9) - 6(x - 5); 111 + 3x
Mathematics