Question 1

Write the equation in slope-intercept form, then identify the slope and y-intercept.
y + 6x = 1

Accepted Answer

The answer of Write the equation in slope-intercept form, then...

Question 2

Use the following to answer questions :
4x - 10y = 20
-Write the equation in the slope-intercept form.

Accepted Answer

A)   
B)   
C)   
D)

Question 3

Sketch the graph using shifts of a parent function and a few characteristic points. f(x) =

Accepted Answer

A)

(Gridlines are spaced one unit apart.) 
B)

(Gridlines are spaced one unit apart.) 
C)

(Gridlines are spaced one unit apart.) 
D)

(Gridlines are spaced one unit apart.)

Question 4

Write the lines in slope-intercept form and state whether they are parallel, perpendicular, or neither. -8x + 6y = -1
4x + 3y = 11

Accepted Answer

A)  Parallel 
B)  Perpendicular 
C)  Neither

Question 5

Compute the slope of the line through the points (-5, -1) and (-1, -5).

Accepted Answer

The answer of Compute the slope of the line through...

Question 6

Use the following to answer questions :
f(x) = 5x + 8 and g(x) = x - 6
-Find the product of f and g.

Accepted Answer

The answer of Use the following to answer questions :
f(x)...

Question 7

Determine the domain of the function.

Accepted Answer

The answer of Determine the domain of the function. ...

Question 8

Use the following to answer questions :   (Gridlines are spaced one unit apart.)
-Name the interval(s) where the function is constant. Write the answer in interval notation. Assume all endpoints have integer values.

Accepted Answer

A)  x $\in$ (-2,?) 
B)  x $\in$ (4, ?) 
C)  x $\in$ (-?, -2) $\cup$  (4, ?) 
D)  x $\in$ (- ?, -1) $\cup$ (4, ?)

Question 9

Use the following to answer questions :
A business purchases a copier for $9500 and anticipates it will depreciate in value $850 per year.
-What is the copier's value after 2 years of use?

Accepted Answer

A)  $5150 
B)  $5200 
C)  $5250 
D)  $5300

Question 10

Use the following to answer questions :   (Gridlines on each graph are spaced one unit apart.)
-Find (f - g)(2).

Accepted Answer

A)  -4 
B)  -1 
C)  0 
D)  -2

Question 11

Graph by plotting points or using the intercept method. Plot at least three points. Choose inputs that will help simplify the calculation.

Accepted Answer

The answer of Graph by plotting points or using the...

Question 12

Use the following to answer questions :
A driver going down a straight highway is traveling at 70 ft/sec on cruise control when he begins accelerating at a rate of 4.2 ft/secS1U1P12S1S1P0. The final velocity of the car is given by the function  , where V(t) is the velocity at time t.
-Determine the velocity of the car after 10.4 seconds.

Accepted Answer

A)  111.40 ft/sec 
B)  112.32 ft/sec 
C)  113.68 ft/sec 
D)  114.54 ft/sec

Question 13

Use the following to answer questions :
f(x) = xS1U1P12S1S1P0 - 64 and g(x) = x + 8
-Determine the domain of  .

Accepted Answer

A)  x $\in$ (-?, 3) $\cup$  (3, ?) 
B)  x $\in$ (-?, -3) $\cup$ (-3, ?) 
C)  x $\in$ (3, ?) 
D)  x$\in$ (-?, ?)

Question 14

Use the following to answer questions :
f(x) = 5x + 8 and g(x) = x - 6
-Find the difference of f and g.

Accepted Answer

The answer of Use the following to answer questions :
f(x)...

Question 15

Identify the center and radius of the circle. (x + 6)2 + (y - 4)2 = 16.

Accepted Answer

A)  center (-6, 4) and radius 4 
B)  center (6, -4) and radius 4 
C)  center (-6, 4) and radius 16 
D)  center (6, -4) and radius 16

Question 16

Find the equation of a circle with center (-1, 2) and radius  . Then sketch its graph.

Accepted Answer

The answer of Find the equation of a circle with...

Question 17

Use the following to answer questions :
A car rental company charges a flat fee of $21.50 and an hourly charge of $14.50. This means that cost is a function of the hours the car is rented plus the flat fee.
-Find the cost if the car is rented for 5.5 hr.

Accepted Answer

A)  $41.50 
B)  $101.25 
C)  $36.00 
D)  $132.75

Question 18

The following function is known to be even. Complete the graph using symmetry.  (Gridlines are spaced one unit apart.)

Accepted Answer

The answer of The following function is known to be...

Question 19

Use the graph to solve the inequality f(x) ? 0. Write the answer in interval notation.  (Gridlines are spaced one unit apart.)

Accepted Answer

A)  x $\in$ (-?, -3) $\cup$ (1, 5) 
B)  x $\in$ (-?, -3] $\cup$ [1, 5] 
C)  x $\in$ (-3, 1) $\cup$ (5, ?) 
D)  x $\in$ [-3, 1] $\cup$ [5, ?)

Question 20

Use the following to answer questions :   (Gridlines are spaced one unit apart.)
-Determine the equations of asymptotes (if any).

Accepted Answer

A)  x = 0, y = -1 
B)  x = -5, x = 1, x = 5 
C)  x = 1 
D)  none

Exam 2: Relations, Functions and Graphs

Write the equation in slope-intercept form, then identify the slope and y-intercept. y + 6x = 1

Use the following to answer questions : 4x - 10y = 20 -Write the equation in the slope-intercept form.

Sketch the graph using shifts of a parent function and a few characteristic points. f(x) =

Write the lines in slope-intercept form and state whether they are parallel, perpendicular, or neither. -8x + 6y = -1 4x + 3y = 11

Compute the slope of the line through the points (-5, -1) and (-1, -5).

Use the following to answer questions : f(x) = 5x + 8 and g(x) = x - 6 -Find the product of f and g.

Determine the domain of the function.

Use the following to answer questions : A business purchases a copier for $9500 and anticipates it will depreciate in value $850 per year. -What is the copier's value after 2 years of use?

Use the following to answer questions : (Gridlines on each graph are spaced one unit apart.) -Find (f - g) (2) .

Graph by plotting points or using the intercept method. Plot at least three points. Choose inputs that will help simplify the calculation.

Use the following to answer questions : f(x) = 5x + 8 and g(x) = x - 6 -Find the difference of f and g.

Identify the center and radius of the circle. (x + 6) ² + (y - 4) ² = 16.

Find the equation of a circle with center (-1, 2) and radius . Then sketch its graph.

Use the following to answer questions : A car rental company charges a flat fee of $21.50 and an hourly charge of $14.50. This means that cost is a function of the hours the car is rented plus the flat fee. -Find the cost if the car is rented for 5.5 hr.

The following function is known to be even. Complete the graph using symmetry. (Gridlines are spaced one unit apart.)

Use the following to answer questions : (Gridlines are spaced one unit apart.) -Determine the equations of asymptotes (if any) .

Exam 2: Relations, Functions and Graphs

Write the equation in slope-intercept form, then identify the slope and y-intercept. y + 6x = 1

Use the following to answer questions : 4x - 10y = 20 -Write the equation in the slope-intercept form.

Sketch the graph using shifts of a parent function and a few characteristic points. f(x) =

Write the lines in slope-intercept form and state whether they are parallel, perpendicular, or neither. -8x + 6y = -1 4x + 3y = 11

Compute the slope of the line through the points (-5, -1) and (-1, -5).

Use the following to answer questions : f(x) = 5x + 8 and g(x) = x - 6 -Find the product of f and g.

Determine the domain of the function.

Use the following to answer questions : (Gridlines are spaced one unit apart.) -Name the interval(s) where the function is constant. Write the answer in interval notation. Assume all endpoints have integer values.

Use the following to answer questions : A business purchases a copier for $9500 and anticipates it will depreciate in value $850 per year. -What is the copier's value after 2 years of use?

Use the following to answer questions : (Gridlines on each graph are spaced one unit apart.) -Find (f - g) (2) .

Graph by plotting points or using the intercept method. Plot at least three points. Choose inputs that will help simplify the calculation.

Use the following to answer questions : f(x) = x2 - 64 and g(x) = x + 8 -Determine the domain of .

Use the following to answer questions : f(x) = 5x + 8 and g(x) = x - 6 -Find the difference of f and g.

Identify the center and radius of the circle. (x + 6) 2 + (y - 4) 2 = 16.

Find the equation of a circle with center (-1, 2) and radius . Then sketch its graph.

Use the following to answer questions : A car rental company charges a flat fee of $21.50 and an hourly charge of $14.50. This means that cost is a function of the hours the car is rented plus the flat fee. -Find the cost if the car is rented for 5.5 hr.

The following function is known to be even. Complete the graph using symmetry. (Gridlines are spaced one unit apart.)

Use the graph to solve the inequality f(x) ? 0. Write the answer in interval notation. (Gridlines are spaced one unit apart.)

Use the following to answer questions : (Gridlines are spaced one unit apart.) -Determine the equations of asymptotes (if any) .

Identify the center and radius of the circle. (x + 6) ² + (y - 4) ² = 16.