Spring Final Review

64^(1/3) is equal to which of the following?

• 2

• 3

• 4

• 5

What is 16^(1/2) + 25^(1/2) simplified?

• 7

• 9

• 11

• 13

64^(2/3) is equal to which of the following?

• 2

• 16

• 96

• 512

What is x^(2/3) * x^(1/3) simplified?

(a)  

Simplify: (64^(3/4) * 64^(1/4))^(1/2)

• 2

• 4

• 8

• 16

Which set does the number e (Euler's number) belong to?

• Whole numbers

• Rational numbers

• Irrational numbers

Which set includes only integers?

• {1, 2, 3}

• {2, 3.5, 4}

• {-1, 0, 1.5}

Which statement is true about the product of two irrational numbers?

• It is always irrational.

• It is always rational.

• It may be rational or irrational.

What is the average rate of change of f(x) = 2x^2 over the interval from 2 to 4?

• A) 4

• B) 8

• C) 12

Which of the following correctly describes the end behavior of the graph?

• A) As x approaches infinity, f(x) approaches infinity

• B) As x approaches infinity, f(x) approaches negative infinity

• C) As x approaches negative infinity, f(x) approaches negative infinity