Question 1

Let f(x) = 3 x   + 4 x   4. Find f ( 4).

Accepted Answer

A)  48 
B)  -32 
C)  32 
D)  28 
E)  -68 
A)  48 
B)  -32 
C)  32 
D)  28 
E)  -68 D

Question 2

The relation   is not a function.

Accepted Answer

A) True 
 B)False  False

Question 3

A table of values is an example of a numeric representation of a function.

Accepted Answer

A) True 
 B)False  True

Question 4

The cost of college tuition for 12 credit hours at a local college during 2000 to 2008 is shown in the table below. Find the net change in the cost of college tuition from 2000 to 2005 and state if the net change was an increase or decrease.

Accepted Answer

A)  -195, decrease 
B)  312, increase 
C)  -312, decrease 
D)  195, increase 
E)  39, increase 
A)  -195, decrease 
B)  312, increase 
C)  -312, decrease 
D)  195, increase 
E)  39, increase

Question 5

The graph of f(x) = -8 is a horizontal line.

Accepted Answer

A) True 
 B)False

Question 6

The table below gives the cost for one-credit of tuition at various colleges. 
 
 The median cost gives a better description than average cost for the tuition costs.

Accepted Answer

A) True 
 B)False

Question 7

All functions can be represented verbally, symbolically, numerically, and graphically.

Accepted Answer

A) True 
 B)False

Question 8

The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?

Accepted Answer

A)  C = 29.99 m 
B)  C = 0.07 + 29.99 m 
C)  C = 29.99 + 0.07 m 
D)  C = 0.07 m 
E)  C = 29.99   0.07 m 
A)  C = 29.99 m 
B)  C = 0.07 + 29.99 m 
C)  C = 29.99 + 0.07 m 
D)  C = 0.07 m 
E)  C = 29.99   0.07 m

Question 9

Find a function that models the volume V of a box with height x , length 6 x and width x + 8.

Accepted Answer

A)  V(x) = (6 x )( x + 8) 
B)  V(x) = ( x + 6 x ) ( x + 8) 
C)  V(x) = x (6 x + x + 8) 
D)  V(x) = x (6 x )( x + 8) 
E)  V(x) = x + (6 x ) + ( x + 8) 
A)  V(x) = (6 x )( x + 8) 
B)  V(x) = ( x + 6 x ) ( x + 8) 
C)  V(x) = x (6 x + x + 8) 
D)  V(x) = x (6 x )( x + 8) 
E)  V(x) = x + (6 x ) + ( x + 8)

Question 10

The number of gallons of water remaining in a pool t hours after it began to drain is illustrated in the table below.
 
What is the first difference of the number of gallons of water?

Accepted Answer

A)  -2121 
B)  2121 
C)  424.2 
D)  -424.2 
E)  5 
A)  -2121 
B)  2121 
C)  424.2 
D)  -424.2 
E)  5

Question 11

Using the table below, determine the value for the blank.

Accepted Answer

A)  -6 
B)  -3 
C)  -13 
D)  -2 
E)  14 
A)  -6 
B)  -3 
C)  -13 
D)  -2 
E)  14

Question 12

Using the table below, determine the value for the blank.

Accepted Answer

A)  24 
B)  21 
C)  28 
D)  23 
E)  27 
A)  24 
B)  21 
C)  28 
D)  23 
E)  27

Question 13

The table below describes the average temperatures for Portland, OR during a given year. What was the average temperature for May?

Accepted Answer

A)  73 
B)  81 
C)  68 
D)  42 
E)  60 
A)  73 
B)  81 
C)  68 
D)  42 
E)  60

Question 14

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. What was the minimum number of rabbits during this time?

Accepted Answer

A)  20 
B)  37 
C)  83 
D)  5 
E)  15 
A)  20 
B)  37 
C)  83 
D)  5 
E)  15

Question 15

Which one of the following models the data graphed in the scatter plot.

Accepted Answer

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

Question 16

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. By how much did the bacteria grow from 8:30 am to 10:30 am?

Accepted Answer

A)  73.18 
B)  51.35 
C)  38.80 
D)  34.38 
E)  2 
A)  73.18 
B)  51.35 
C)  38.80 
D)  34.38 
E)  2

Question 17

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. Approximately what time was the mass of the bacteria 45 mcg?

Accepted Answer

A)  Between 9:00 am and 9:30 am 
B)  Between 9:30 am and 10:00 am 
C)  Not enough information 
D)  Between 8:30 am and 9:00 am 
E)  Between 8:00 am and 8:30 am 
A)  Between 9:00 am and 9:30 am 
B)  Between 9:30 am and 10:00 am 
C)  Not enough information 
D)  Between 8:30 am and 9:00 am 
E)  Between 8:00 am and 8:30 am

Question 18

The graphs of   and   are shown below. Find the value(s) of x for which   .

Accepted Answer

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

Question 19

Find the input(s) corresponding to the output of 30.

Accepted Answer

A)  30 and 35 
B)  7 and 31 
C)  7 
D)  31 
E)  35 
A)  30 and 35 
B)  7 and 31 
C)  7 
D)  31 
E)  35

Question 20

If the net change of a function f from a to b is zero, then the function must be constant between a and b .

Accepted Answer

A) True 
 B)False

Let f(x) = 3 x + 4 x 4. Find f ( 4).

The relation is not a function.

A table of values is an example of a numeric representation of a function.

The cost of college tuition for 12 credit hours at a local college during 2000 to 2008 is shown in the table below. Find the net change in the cost of college tuition from 2000 to 2005 and state if the net change was an increase or decrease.

The graph of f(x) = -8 is a horizontal line.

The table below gives the cost for one-credit of tuition at various colleges. The median cost gives a better description than average cost for the tuition costs.

All functions can be represented verbally, symbolically, numerically, and graphically.

The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?

Find a function that models the volume V of a box with height x , length 6 x and width x + 8.

The number of gallons of water remaining in a pool t hours after it began to drain is illustrated in the table below. What is the first difference of the number of gallons of water?

Using the table below, determine the value for the blank.

Using the table below, determine the value for the blank.

The table below describes the average temperatures for Portland, OR during a given year. What was the average temperature for May?

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. What was the minimum number of rabbits during this time?

Which one of the following models the data graphed in the scatter plot.

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. By how much did the bacteria grow from 8:30 am to 10:30 am?

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. Approximately what time was the mass of the bacteria 45 mcg?

The graphs of and are shown below. Find the value(s) of x for which .

Find the input(s) corresponding to the output of 30.

If the net change of a function f from a to b is zero, then the function must be constant between a and b .

Linear Functions and Models

Exponential Functions and Models

Logarithmic Functions and Exponential Modela

Quadratic Functions and Models

Power, Polynomial, and Rational Functions

Systems of Equations and Data in Categories

Filters

Exam 1: Data, Functions, and Models

Let f(x) = 3 x + 4 x 4. Find f ( 4).

The relation is not a function.

A table of values is an example of a numeric representation of a function.

The cost of college tuition for 12 credit hours at a local college during 2000 to 2008 is shown in the table below. Find the net change in the cost of college tuition from 2000 to 2005 and state if the net change was an increase or decrease.

The graph of f(x) = -8 is a horizontal line.

The table below gives the cost for one-credit of tuition at various colleges. The median cost gives a better description than average cost for the tuition costs.

All functions can be represented verbally, symbolically, numerically, and graphically.

The cost for a cell phone plan starts at $29.99 per month plus $0.07 per minute. Which of the following models the monthly cost of the cell phone based on the number of minutes used?

Find a function that models the volume V of a box with height x , length 6 x and width x + 8.

The number of gallons of water remaining in a pool t hours after it began to drain is illustrated in the table below. What is the first difference of the number of gallons of water?

Using the table below, determine the value for the blank.

Using the table below, determine the value for the blank.

The table below describes the average temperatures for Portland, OR during a given year. What was the average temperature for May?

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. What was the minimum number of rabbits during this time?

Which one of the following models the data graphed in the scatter plot.

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. By how much did the bacteria grow from 8:30 am to 10:30 am?

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. Approximately what time was the mass of the bacteria 45 mcg?

The graphs of and are shown below. Find the value(s) of x for which .

Find the input(s) corresponding to the output of 30.

If the net change of a function f from a to b is zero, then the function must be constant between a and b .

Linear Functions and Models

Exponential Functions and Models

Logarithmic Functions and Exponential Modela

Quadratic Functions and Models

Power, Polynomial, and Rational Functions

Systems of Equations and Data in Categories

Filters