Find the product.(7x - 1)(x2 - 2x + 1)

A. 7x3 + 15x2 - 9x + 1
B. 7x3 - 15x2 + 9x - 1
C. 7x3 - 13x2 + 5x - 1
D. 7x3 - 14x2 + 7x + 1


Answer: B

Mathematics

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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).

A. $471,860.00 B. $97.07 C. $405,900.50 D. $174.00

Mathematics

Multiply and simplify.18 

A.
B. -162
C. -2
D. 2

Mathematics

Find the perimeter of the figure.

A. 24n B. 20n + 4 C. 14n + 10 D. 10n + 14

Mathematics

Determine a window which gives a complete graph of the polynomial function.f(x) = x5 + 5x4 - x3 - 10x2 + 3x + 10

A. [-10, 10] by [-10, 10] B. [-6, 6] by [-10, 200] C. [-10, 10] by [-100, 100] D. [-3, 3] by [-10, 30]

Mathematics