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I need my college algebra done ASAP!!! It is a tie test.
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I need my college algebra done ASAP!!! It is a tie test.


Evaluate each piecewise function at the given values of the independent variable.

 

f(x)

 


 

=

 


 

3x + 5 if x < 0

 

4x + 7 if x ? 0

 


 

1. f(-2)

 

2. f(0)

 

3. f(3)

 

A. 1. -1

 

2. 7

 

3. 19

 

B. 1. -5

 

2. 9

 

3. 19

 

C. 1. -1

 

2. 7

 

3. 21

 

D. 1. 6

 

2. 7

 

3. 19

 

5.0 Points

 

Question 3 of 20

 

Find the slope of the line passing through each pair of points or state that the slope is undefined. Then

 

indicate whether the line through the points rises, falls, is horizontal, or is vertical.

 

(4, -2) and (3, -2)

 

A. 1; rises

 

B. 4; fall

 

C. 0; horizontal

 

D. 0; vertical

 

Question 4 of 20

 

Determine whether the following equation defines y as a function of x:

 

x2 + y2 = 16

 


 

5.0 Points

 


 

A. Y is a function of x.

 

B. X is not a function of y.

 

C. X is a function of x.

 

D. Y is not a function of x.

 

Question 5 of 20

 

Determine whether the function is odd, even, neither, or can?t be determined:

 


 

5.0 Points

 


 

h(x) = x2 ? x4

 

A. Even

 

B. Odd

 

C. Neither

 

D. Can?t be determined

 

5.0 Points

 

Question 6 of 20

 

Write an equation in slope-intercept form of a linear function f whose graph satisfies the given

 

conditions.

 

The graph of f passes through (-1, 5) and is perpendicular to the line whose equation is x = 6.

 

A. f(x) = 6

 

B. f(x) = 8

 

C. f(x) = 3

 

D. f(x) = 5

 

Write an equation in general form of the line passing through (3, -5) whose slope is the negative

 

reciprocal (the reciprocal with the opposite sign) of ?1/4.

 

A. 5x + y - 22 = 0

 

B. 4x - y - 17 = 0

 


 

C. 4x + y + 20 = 0

 

D. 7x - y + 34 = 0

 

Determine whether the function is odd, even, neither, or can?t be determined:

 

f(x) = x3 + x

 

A. Even

 

B. Odd

 

C. Neither

 

D. Can?t be determined

 

Give the slope and y-intercept of each line whose equation is given.

 

y = -3/5x + 7

 

A. m = 3/4; b = -2

 

B. m = 6; b = 7

 

C. m = -3/5; b = 7

 

D. m = 1; b = 8

 

Use the given conditions to write an equation for each line in point-slope form.

 

Passing through (2, -3) and perpendicular to the line whose equation is y = 1/5 x + 6.

 

A. y + 8 = 5(x - 6)

 

B. y - 3 = -5(x + 20)

 

C. y + 3 = -5(x - 2)

 

D. y - 3 = -5(x + 5)

 


 

Find the slope of the line passing through each pair of points or state that the slope is undefined. Then

 

indicate whether the line through the points rises, falls, is horizontal, or is vertical.

 

(4, 7) and (8, 10)

 

A. 3/4, rises

 

B. 2/4, falls

 

C. 1/4, horizontal

 

D. 3/5, vertical

 

Find the slope of the line passing through each pair of points or state that the slope is undefined. Then

 

indicate whether the line through the points rises, falls, is horizontal, or is vertical.

 

(5, 3) and (5, -2)

 

A. 1; rises

 

B. 4/9;horizontal

 

C. Undefined; vertical

 

D. Undefined; falls

 

Use the given conditions to write an equation for each line in general form.

 

Passing through (-2, 2) and parallel to the line whose equation is 2x - 3y - 7 = 0.

 

A. 3x - 3y + 11 = 0

 

B. 2x - 3y + 10 = 0

 

C. 6x - 4y + 12 = 0

 

D. 2x - 5y + 15 = 0

 

Use the given conditions to write an equation for each line in general form.

 

Passing through (-2, 2) and parallel to the line whose equation is 2x - 3y - 7 = 0.

 


 

A. 3x - 3y + 11 = 0

 

B. 2x - 3y + 10 = 0

 

C. 6x - 4y + 12 = 0

 

D. 2x - 5y + 15 = 0

 

g(x) = -1/2x

 

A. m = 3/4; b = -2

 

B. m = 6; b = 7

 

C. m = -1/2; b = 0

 

D. m = 1; b = 8

 

Determine whether the following equation defines y as a function of x:

 

x2 + y = 16

 

A. Y is not a function of x.

 

B. X is a function of y.

 

C. X is not a function of y.

 

D. Y is a function of x.

 

Determine whether the function is odd, even, neither, or can?t be determined:

 

g(x) = x2 + x

 

A. Even

 

B. Odd

 

C. Neither

 

D. Can?t be determined

 


 

Determine whether the following equation defines y as a function of x:

 

x + y = 16

 

A. Y is a function of x.

 

B. Y is not a function of x.

 

C. X is a function of y.

 

D. X is not a function of y.

 

Find the average rate of change of the function from x 1 to x2.

 

f(x) = 3x from x1 = 0 to x2 = 5

 

A. -4

 

B. 8

 

C. 2

 

D. 3

 

Write an equation in slope-intercept form of a linear function f whose graph satisfies the given

 

conditions.

 

The graph of f is perpendicular to the line whose equation is 3x - 2y - 4 = 0 and has the same y-intercept

 

as this line.

 

A. f(x) = 2/3x ? 4

 

B. f(x) = -2/5x ? 6

 

C. f(x) = -2/3x ? 2

 

D. f(x) = -2/7x + 8

 


 

 







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