Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = 3x3 - 25x2 + 35x - 9
A. 
B. 
C. 
D. 
Answer: C
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Find the rectangular coordinates for the point for which the polar coordinates are given.(9.0, 3.2)
A. (8.98, 0.53) B. (7.98, 4.16) C. (-7.98, -4.16) D. (-8.98, -0.53)
Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $685.96 due B. $2,662.22 due C. $2,662.22 refund D. $685.96 refund
Solve the problem.Helen Weller invested $11,000 in an account that pays 12% simple interest. How much additional money must be invested in an account that pays 15% simple interest so that the average return on the two investments amounts to 13%?
A. $7000 B. $8000 C. $5500 D. $11,000
Determine whether the argument in the problem below is valid or invalid. If valid, name the type of reasoning and if invalid, determine the error in reasoning. ? All mathematicians are clever men. All clever men are rich. Therefore, all mathematicians are rich. ?
A. invalid; direct B. valid; indirect C. valid; direct D. invalid; false chain E. valid; transitive