Multiply.( + n) ( - n)

A. 2 - n2
B. 2 - 2n + n2
C. 7 + 2n - n2
D. 7 - n2

Answer: D

Mathematics

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Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13} (A ? B')' ? C'

A. {2, 4} B. { } C. {1, 3, 5, 6, 7, 14, 15} D. {2, 4, 6}

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Mathematics

Rewrite f(x) = (ax + b)/(x + c) in f(x) = a + d/(x + c) form.f(x) = 

A. f(x) = -2 + 
B. f(x) = -2 + 
C. f(x) = -2 - 
D. f(x) = -2 - 

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Add or subtract, as indicated.0.91 + (-2.183)

A. 1.987 B. -3.093 C. -2.993 D. -1.273

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Mathematics

Suppose that you toss a coin and roll a die. The sample space is shown in the figure. What is the probability of obtaining heads or a two? ?

What will be an ideal response?

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Mathematics