Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Answer: D
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First, use front end rounding to estimate each answer. Then find the exact answer.21 + 
What will be an ideal response?
Multiply.(4x3 + 7x2 + 5x + 9)(3x + 2)
A. 29x4 + 35x3 + 25x2 + 45x B. 12x4 + 29x3 + 29x2 + 37x + 18 C. 29x4 + 29x3 + 35x2 + 18x D. 12x4 + 8x3 + 35x2 + 25x + 45
Write the expression as one logarithm.log4 8 + log4 11
A. log8 88 B. log4 88 C. log8 19 D. log4 19
Solve the problem.The following table shows the sales generated by electronic commerce, in millions of dollars in Country X from 1993 through 1997 . Use regression to find a quadratic function f(x) that can be used to predict the sales generated by electronic commerce x years after 1993. (Round decimals to four places.)
A. f(x) = 52.1143x2 + 44.5714x + 43.5429 B. f(x) = 44.5714x2 + 52.1143x + 43.5429 C. f(x) =43.5429x2 + 52.1143x + 44.5714 D. f(x) = 44.5714x2 - 52.1143x + 43.5429