Find the square root.

A. 20
B. 1600
C. 80
D. 40

Answer: D

Mathematics

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Determine whether or not the graph is a graph of a function of x.

A. Function B. Not a function

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Mathematics

Give an appropriate answer.Letf(x) = -3 andg(x) = 10. Find[f(x) ? g(x)].

A. 8 B. -30 C. 10 D. 7

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Mathematics

Graph the plane curve given by the parametric equations. Then find the equivalent rectangular equation.x = t3 + 1, y = t3 - 15; -2 ? t ? 2

A. y = - x2; -4 ? x ? 4

B. y = x - 16; -7 ? x ? 9

C. y = x3; -3 ? x ? 1

D. y = - x - 16; -7 ? x ? 9

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Mathematics

Solve.x2 = -36

A. ± 6i B. ± 36i C. ± i D. ± 6

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Mathematics