Rationalize the denominator.

A.
B.
C.
D.

Answer: A

Mathematics

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Graph the parabola.y = 2x2

A.

B.

C.

D.

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Mathematics

Use a graphing utility to approximate to two decimal places any solutions on [0, 2?) graphically or numerically.2sin x = 1 + cos x

A. x = 0, 4.07 B. x = 0, 2.21 C. x = 0.93, 3.14 D. no solution

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Mathematics

Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 662 with r = 0.7. Write a recursive sequence that describes this data, where an  denotes the insect density during year n.

A. an = 0.7 an+1  , a1 = 331
B. an = 0.7 an-1  , a1 = 662
C. an =   , a1 = 662
D. an = 0.7 + an-1  , a1 = 662

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Mathematics

Multiply.(167)(-0.001)

A. -0.167 B. -0.0167 C. -16.7 D. 1.67

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Mathematics