Write the exponential equation as an equation involving a common logarithm or a natural logarithm.9x = 729
A. logx729 = 9
B. log x = 9
C. log9 729 = x
D. log7299 = x
Answer: C
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Find the product.(-10)(-20)
A. 220 B. 210 C. 200 D. -210
Solve the problem.The amount of a radioactive substance present, in grams, at time t in months is given by the formula 
Find the number of grams present in 3 years. If necessary, round to three decimal places.
A. 3958.524 grams B. 4.081 grams C. 395.852 grams D. 40.807 grams
Find the adjusted gross income.Tom and Sandy Bowles had incomes of $18,505 and $7663. They also had $307 in interest income and an adjustment of $814 in moving expenses.
A. $27,289 B. $25,661 C. $26,475 D. $25,354
Find the requested polynomial. Find a polynomial function of degree 3 with -3 , 0 , 
as zeros.
A. f(x) = x3 - 
x2 + 
x
B. f(x) = x3 + 
x2 - 
x
C. f(x) = x3 + 
x2 - 
x
D. f(x) = x3 - 
x2 - 
x