Question 1

Use the graph to find the x- intercept and y- intercept.

Accepted Answer

x- interce

Question 2

A point on the graph with coordinates   is a y- intercept.

Accepted Answer

A) True 
 B)False

Question 3

Using the graph below find the average rate of change from   to   (rounded to the nearest tenth)?

Accepted Answer

A)  185.6 
B)  130.0 
C)  100 
D)  285.6 
E)  46.4 
A)  185.6 
B)  130.0 
C)  100 
D)  285.6 
E)  46.4

Question 4

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the P scale is which value?

Accepted Answer

A)  1 
B)  5 
C)  60 
D)  1000 
A)  1 
B)  5 
C)  60 
D)  1000

Question 5

What is the domain of the exponential function f graphed below?

Accepted Answer

A)    
B)  All positive real numbers 
C)  Not enough information 
D)    
E)  All real numbers 
A)    
B)  All positive real numbers 
C)  Not enough information 
D)    
E)  All real numbers

Question 6

To evaluate a function you must solve an equation.

Accepted Answer

A) True 
 B)False

Question 7

The revenue (in millions) of a struggling corporation at time t (in months) is modeled by   . What is the one-year decay factor for corporation s revenue (rounded to the nearest hundredth)?

Accepted Answer

A)  16.29 
B)  0.99 
C)  0.32 
D)  0.91 
E)  10.92 
A)  16.29 
B)  0.99 
C)  0.32 
D)  0.91 
E)  10.92

Question 8

Use the graph to find the x- intercepts and y- intercept.

Accepted Answer

x- interce

Question 9

In the first year of her life your baby s weight is estimated by the equation   where W is weight in ounces at age k weeks. Find and interpret the k -intercept for this equation if it is meaningful.

Accepted Answer

A)    . Your baby weighed 100 ounces at birth. 
B)    . Your baby grows 5 ounces per week. 
C)    . Your baby weighed 0 ounces at 20 weeks. 
D)    . The k- intercept is meaningless. 
A)    . Your baby weighed 100 ounces at birth. 
B)    . Your baby grows 5 ounces per week. 
C)    . Your baby weighed 0 ounces at 20 weeks. 
D)    . The k- intercept is meaningless.

Question 10

The point where the curve touches the x -axis is called the vertical intercept.

Accepted Answer

A) True 
 B)False

Question 11

Find the slope of the line that goes through the points   and   .

Accepted Answer

A)  0 
B)    
C)    
D)  undefined 
A)  0 
B)    
C)    
D)  undefined

Question 12

Which one of the following functions describes an exponential function?

Accepted Answer

A)  g(x) 
B)  j(x) 
C)  None of the above 
D)  f(x) 
E)  h(x) 
A)  g(x) 
B)  j(x) 
C)  None of the above 
D)  f(x) 
E)  h(x)

Question 13

The graph of a function that models exponential growth is shown. What is the initial population?

Accepted Answer

A)  0 
B)  300 
C)  Not enough information 
D)  390 
E)  1.3 
A)  0 
B)  300 
C)  Not enough information 
D)  390 
E)  1.3

Question 14

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the h scale is which value?

Accepted Answer

A)  1 
B)  10 
C)  100 
D)  1000 
A)  1 
B)  10 
C)  100 
D)  1000

Question 15

In 1990 a town's population was 21435. In 1998 the town's population increased to 32054. Assuming that the population increased exponentially the population in 1982 was 14334.

Accepted Answer

A) True 
 B)False

Question 16

Is the graph of the equation   linear or nonlinear?

Accepted Answer

A)  linear 
B)  nonlinear 
A)  linear 
B)  nonlinear

Question 17

Determine whether the following relation is a function.
The input is the height of a patient in inches and the output is the height of the patient in centimeters.

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 18

The half-life of Iodine-135 is 8 days. A 121-gram sample of Iodine-135 is monitored for one month. Assuming there are 30 days in the month how many grams of Iodine-135 are left after 1 month (rounded to the nearest hundredths)?

Accepted Answer

A)  0.47 
B)  8.99 
C)  110.96 
D)  60.50 
E)  100.58 
A)  0.47 
B)  8.99 
C)  110.96 
D)  60.50 
E)  100.58

Question 19

The cost of college tuition (in hundreds of dollars) at a local community college at time t (in decades) is modeled by   . What is the cost of tuition after one year?

Accepted Answer

A)  $7590 
B)  $591.19 
C)  $575 
D)  $9234.37 
E)  $759 
A)  $7590 
B)  $591.19 
C)  $575 
D)  $9234.37 
E)  $759

Question 20

Find the x -intercept and the y- intercept of the equation   .

Accepted Answer

x -interce

Use the graph to find the x- intercept and y- intercept.

A point on the graph with coordinates is a y- intercept.

Using the graph below find the average rate of change from to (rounded to the nearest tenth)?

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the P scale is which value?

What is the domain of the exponential function f graphed below?

To evaluate a function you must solve an equation.

The revenue (in millions) of a struggling corporation at time t (in months) is modeled by . What is the one-year decay factor for corporation s revenue (rounded to the nearest hundredth)?

Use the graph to find the x- intercepts and y- intercept.

In the first year of her life your baby s weight is estimated by the equation where W is weight in ounces at age k weeks. Find and interpret the k -intercept for this equation if it is meaningful.

The point where the curve touches the x -axis is called the vertical intercept.

Find the slope of the line that goes through the points and .

Which one of the following functions describes an exponential function?

The graph of a function that models exponential growth is shown. What is the initial population?

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the h scale is which value?

In 1990 a town's population was 21435. In 1998 the town's population increased to 32054. Assuming that the population increased exponentially the population in 1982 was 14334.

Is the graph of the equation linear or nonlinear?

Determine whether the following relation is a function. The input is the height of a patient in inches and the output is the height of the patient in centimeters.

The half-life of Iodine-135 is 8 days. A 121-gram sample of Iodine-135 is monitored for one month. Assuming there are 30 days in the month how many grams of Iodine-135 are left after 1 month (rounded to the nearest hundredths)?

The cost of college tuition (in hundreds of dollars) at a local community college at time t (in decades) is modeled by . What is the cost of tuition after one year?

Find the x -intercept and the y- intercept of the equation .

Building Blocks of Algebra

Linear Equations and Inequalities With One Variable

Systems of Linear Equations

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters

Exam 3: Linear Equations With Two Variables

Use the graph to find the x- intercept and y- intercept.

A point on the graph with coordinates is a y- intercept.

Using the graph below find the average rate of change from to (rounded to the nearest tenth)?

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the P scale is which value?

What is the domain of the exponential function f graphed below?

To evaluate a function you must solve an equation.

The revenue (in millions) of a struggling corporation at time t (in months) is modeled by . What is the one-year decay factor for corporation s revenue (rounded to the nearest hundredth)?

Use the graph to find the x- intercepts and y- intercept.

In the first year of her life your baby s weight is estimated by the equation where W is weight in ounces at age k weeks. Find and interpret the k -intercept for this equation if it is meaningful.

The point where the curve touches the x -axis is called the vertical intercept.

Find the slope of the line that goes through the points and .

Which one of the following functions describes an exponential function?

The graph of a function that models exponential growth is shown. What is the initial population?

The data table represents hours you work h and your pay P . To graph the given set of points in the input-output table a reasonable choice for the h scale is which value?

In 1990 a town's population was 21435. In 1998 the town's population increased to 32054. Assuming that the population increased exponentially the population in 1982 was 14334.

Is the graph of the equation linear or nonlinear?

Determine whether the following relation is a function. The input is the height of a patient in inches and the output is the height of the patient in centimeters.

The half-life of Iodine-135 is 8 days. A 121-gram sample of Iodine-135 is monitored for one month. Assuming there are 30 days in the month how many grams of Iodine-135 are left after 1 month (rounded to the nearest hundredths)?

The cost of college tuition (in hundreds of dollars) at a local community college at time t (in decades) is modeled by . What is the cost of tuition after one year?

Find the x -intercept and the y- intercept of the equation .

Building Blocks of Algebra

Linear Equations and Inequalities With One Variable

Systems of Linear Equations

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters