Simplify.(2x7) 4(4x2y4)

A. 62x29y3
B. 8x15y4
C. 8xy30
D. 64x30y4

Answer: D

Mathematics

Find the nth, or general, term for the geometric sequence., , , ...

A. a_n =
B. a_n = 6^n-1
C. a_n =
D. a_n =

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Mathematics

Add or subtract.(6 + 9i) - (-2 + i)

A. -8 - 8i B. 8 + 8i C. 8 - 8i D. 4 + 10i

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Mathematics

Determine whether the equation defines y as a function of x. -7x + x2 + 23 = y

A. function B. not a function

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Mathematics

Find dy for the given values of x and dx.y = x + x2, x = 2, dx = 0.04

A. 0.2 B. 0.2016 C. 0.24192 D. 0.16

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Mathematics