Solve the problem.If a submarine goes 2k3 + 13k2 + 10k - 25 miles in2k + 5 hours, then what is its speed?
A. k2 + 9k - 5 mph
B. k2 + 4k - 5 mph
C. k2 - 4k + 5 mph
D. k3 + 4k2 - 5k mph
Answer: B
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For the pair of functions, find the product (fg)(x).f(x) = 5x + 4, g(x) = -x2 + 4x + 7
A. -5x3 + 16x2 + 51x + 28 B. 5x3 + 16x2 - 51x - 28 C. -5x3 - 17x2 + 51x - 28 D. -10x2 + 16x2 - 51x + 28
Factor the trinomial, if possible.15y2 + 22y + 8
A. (3y - 2)(5y - 4) B. (15y + 2)(y + 4) C. (15y + 1)(y - 8) D. (3y + 2)(5y + 4)
Use the graph to answer the question.
What were the total sales for 2008?
A. $582,000 B. $764,000 C. $48,000 D. $50,000
Find the finance charge and total installment cost of the loan. Round to the nearest cent.Amount financed: $311.25Down payment: $103.75Cash price: $415.00Number of payments: 24Amount of payment: $23.26
A. $155.63; $311.25 B. $103.75; $414.75 C. $311.25; $661.99 D. $246.99; $661.99