Find the product.(x - 5)(x + 5)(x2 + 25)

A. x4 - 625
B. x4 - 25
C. x4 - 10x2 - 25
D. x4 - 100x2 + 625


Answer: A

Mathematics

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Find all the first order partial derivatives for the following function.f(x, y) = tan-1 (9x - 9y)

A. fx(x, y) = ; fy(x, y) = 
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C. fx(x, y) = ; fy(x, y) = 
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = e2x 

A. 2 + x + x2 + x3 + . . .
B. 1 + x + x2 + x3 + . . .
C. 1 - x + x2 - x3 + . . .
D. 1 + x + x2 + x3 + . . .

Mathematics

Solve the problem.The Gibralter Company loaned $7,843 for 60 days to the Hazen Company for the purchase of business supplies. The Gibralter Company sold the 7% simple interest note 44 days later at an 9% discount rate. Find the discount period and the discount.

A. Discount period: 16 days Discount: $31.01 B. Discount period: 104 days Discount: $206.30 C. Discount period: 16 days Discount: $31.74 D. Discount period: 16 days Discount: $31.30

Mathematics

Graph the equation as a solid line. Graph the inverse relation as a dashed line on the same axes by reflecting across the line y = x.y = x3 + 5

A.

B.

C.

D.

Mathematics