Question 1

Compute and simplify so that only positive exponents remain.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 2

Use the fact that the quantity of a radioactive substance after t years is given by where is the original amount of radioactive material and k is its half-life (the number of years it takes for half the radioactive substance to decay).     The half-life of strontium-90 is 25 years. Find the amount of strontium-90 remaining after 9 years if Round your answer to one decimal place.

Accepted Answer

A)  13.6 kg 
B)  72.5 kg 
C)  7.5 kg 
D)  119.4 kg 
E)  0.2 kg 
A)  13.6 kg 
B)  72.5 kg 
C)  7.5 kg 
D)  119.4 kg 
E)  0.2 kg

Question 3

Perform the indicated operations and simplify.

Accepted Answer

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B)    
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D)    
E)    
A)    
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E)

Question 4

In many applications, it is often necessary to write expressions in the form , where c is a constant and n is an integer. Write the expression below in this form.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 5

Evaluate the following expression if it represents a real number.

Accepted Answer

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B)    
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D)    
E)    
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D)    
E)

Question 6

Use the rules of exponents to simplify the expression.

Accepted Answer

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B)    
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D)    
E)    
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D)    
E)

Question 7

Use the rules of exponents to simplify the expression so that only positive exponents remain.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Compute and simplify so that only positive exponents remain.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 9

Assume that the national health care expenditure H (in billions of dollars) can be modeled (that is, accurately approximated) by the formula where t is the number of years past 1960. Approximate the national health expenditure in 1972. Round your answer to the nearest tenth of a billion.

Accepted Answer

A)  billion   
B)  billion   
C)  billion   
D)  billion   
E)  billion   
A)  billion   
B)  billion   
C)  billion   
D)  billion   
E)  billion

Question 10

Perform the indicated operations and simplify.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 11

Compute and simplify so that only positive exponents remain.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 12

Perform the indicated operations and simplify.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 13

Evaluate the following expression if it represents a real number.

Accepted Answer

A)  8 
B)  4 
C)  -8 
D)  -4 
E)  not a real number 
A)  8 
B)  4 
C)  -8 
D)  -4 
E)  not a real number

Question 14

Evaluate the following expression if it represents a real number.

Accepted Answer

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B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 15

In calculus, it is frequently important to write an expression in the form , where c is a constant and n is a rational number. Write the expression in this form.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 16

Use the properties of exponents and radicals to determine the value for x that makes the equation true.

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Compute and simplify so that only positive exponents remain.

Perform the indicated operations and simplify.

In many applications, it is often necessary to write expressions in the form , where c is a constant and n is an integer. Write the expression below in this form.

Evaluate the following expression if it represents a real number.

Use the rules of exponents to simplify the expression.

Use the rules of exponents to simplify the expression so that only positive exponents remain.

Compute and simplify so that only positive exponents remain.

Assume that the national health care expenditure H (in billions of dollars) can be modeled (that is, accurately approximated) by the formula where t is the number of years past 1960. Approximate the national health expenditure in 1972. Round your answer to the nearest tenth of a billion.

Perform the indicated operations and simplify.

Compute and simplify so that only positive exponents remain.

Perform the indicated operations and simplify.

Evaluate the following expression if it represents a real number.

Evaluate the following expression if it represents a real number.

In calculus, it is frequently important to write an expression in the form , where c is a constant and n is a rational number. Write the expression in this form.

Use the properties of exponents and radicals to determine the value for x that makes the equation true.

Linear Equations and Functions

Quadratic and Other Special Functions

Matrices

Inequalities and Linear Programming

Exponential and Logarithmic Functions

Mathematics of Finance

Introduction to Probability

Further Topics in Probability and Data Description

Derivatives

Derivatives

Derivatives Continued

Indefinite Integrals

Definite Integrals - Techniques

A: Definite Integrals - Techniques

Functions of Two or More Variables

Algebraic Concepts 2

Algebraic Concepts 3

Algebraic Concepts 5

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Exam 15: Algebraic Concepts 4

Compute and simplify so that only positive exponents remain.

Perform the indicated operations and simplify.

In many applications, it is often necessary to write expressions in the form , where c is a constant and n is an integer. Write the expression below in this form.

Evaluate the following expression if it represents a real number.

Use the rules of exponents to simplify the expression.

Use the rules of exponents to simplify the expression so that only positive exponents remain.

Compute and simplify so that only positive exponents remain.

Assume that the national health care expenditure H (in billions of dollars) can be modeled (that is, accurately approximated) by the formula where t is the number of years past 1960. Approximate the national health expenditure in 1972. Round your answer to the nearest tenth of a billion.

Perform the indicated operations and simplify.

Compute and simplify so that only positive exponents remain.

Perform the indicated operations and simplify.

Evaluate the following expression if it represents a real number.

Evaluate the following expression if it represents a real number.

In calculus, it is frequently important to write an expression in the form , where c is a constant and n is a rational number. Write the expression in this form.

Use the properties of exponents and radicals to determine the value for x that makes the equation true.

Linear Equations and Functions

Quadratic and Other Special Functions

Matrices

Inequalities and Linear Programming

Exponential and Logarithmic Functions

Mathematics of Finance

Introduction to Probability

Further Topics in Probability and Data Description

Derivatives

Derivatives

Derivatives Continued

Indefinite Integrals

Definite Integrals - Techniques

A: Definite Integrals - Techniques

Functions of Two or More Variables

Algebraic Concepts 2

Algebraic Concepts 3

Algebraic Concepts 5

Filters