Use a special product formula to simplify.(4y + x)(4y - x)

A. 16y2 + 8xy - x2
B. 8y2 - x2
C. 16y2 - x2
D. 16y2 - 8xy - x2


Answer: C

Mathematics

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Find any vertical asymptotes.f(x) = 

A. x = -1, x = 4 B. y = 1, y = -4 C. y = 3 D. x = 1, x = -4

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Solve the inequality analytically, writing the solution set in interval notation.8a + 16 > 2(3a + 17)

A. (8, ?) B. (-?, 8) C. (-?, 9) D. (9, ?)

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Solve the problem.Find the length of the curve y =  -  ln x, 2 ? x ? 4.

A. 3 +  
B. 3 + ln 2
C.
D. 2 + ln 3

Mathematics

The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to determine the percentage increase in the investment over any 4-year period. Round your answer to two decimal places.  t 2 4 6 8 10 V 3,371.34 5,183.28 7,968.74 12,252.51 18,839.19?

A. 96.08% B. 96.00% C. 137.09% D. 136.42%

Mathematics