Find the second derivative.y = 8x2 + 5x - 2

A. 16x + 5
B. 8
C. 16
D. 0


Answer: C

Mathematics

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Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $469.15Sales Tax Rate: 5%

A. $442.59 B. $451.11 C. $312.77 D. $446.81

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Solve the equation.2 log7 x = log7 100

A. {98}
B. {}
C.
D. {10}

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Find the maximum and minimum values of the function and the values of x and y for which they occur.P = 6x + 7y, subject to2x + 3y ? 12,2x + y ? 8,x ? 0,y ? 0.

A. Maximum: 24 when x = 4 and y = 0; minimum: 0 when x = 0 and y = 0 B. Maximum: 32 when x = 3 and y = 2; minimum: 0 when x = 0 and y = 0 C. Maximum: 28 when x = 0 and y = 4; minimum: 0 when x = 0 and y = 0 D. Maximum: 28 when x = 0 and y = 4; minimum: 24 when x = 4 and y = 0

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Find the least common denominator (LCD).

A. 15 B. 10 C. 6 D. 30

Mathematics