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Hotmath Practice Problems

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Title:
Hotmath Algebra 2
Author:
Hotmath Team
 
Free
Chapter:Linear Relationships and FunctionsSection:Special Functions
 

Problem: 1

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = 1.5


Problem: 3

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(y) = –[y]


Problem: 5

f(x) = 3[x – 2]

Find f(5.6).

(Here [] indicates the greatest integer function.)


Problem: 7

Find f(3) when f(x) = [3x + 4].

(Here [] indicates the greatest integer function.)


Problem: 9

Find f(–3.4) when f(x) = [3x + 4].

(Here [] indicates the greatest integer function.)


Problem: 11

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = 2x


Problem: 13

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = –2


Problem: 15

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.


Problem: 17

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = x + 4


Problem: 19

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = [x + 4]


Problem: 21

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = [x] + 4


Problem: 23

Graph both the equations on the same plane and compare.

y = |x + 4|, y = |x – 4|


Problem: 25

Graph both the equations on the same plane and compare.

y = |x + 4|, y = |x + 4| – 2


Problem: 27

Graph both the equations on the same plane and compare.

y = [x + 4], y = [x] – 4

(Note: here, [ ] indicates the greatest integer function.)


Problem: 29

Graph both the equations on the same plane and compare.

y = –3|4x|, y = 4|–3x|


Problem: 31

Determine the vertex of the graph: y = |x| + 3


Problem: 33

Determine the vertex of the graph: y = |x – 3| + 2


Problem: 35

Determine the vertex of the graph: y = |3x + 9| + 7


Problem: 37

Determine the vertex of the graph: y = –3|7 – 3x| + 9


Problem: 39

Compute the values of y for the given values of x for the equation y = |x + 3| and complete the table. What is the pattern of symmetry?


Problem: 41

Compute the values of y for the given values of x for the equation y = 3|x – 2| + 2 and complete the table. What is the pattern of symmetry?


Problem: 43

Graph the equation: y = |x – 3|


Problem: 45

Graph the equation: y = |x| + 3


Problem: 47

Graph the equation: y = |3 – x| + 2


Problem: 49

Graph the equation: y = –2|4x + 2|


Problem: 1

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = 1.5


Problem: 3

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(y) = –[y]


Problem: 5

f(x) = 3[x – 2]

Find f(5.6).

(Here [] indicates the greatest integer function.)


Problem: 7

Find f(3) when f(x) = [3x + 4].

(Here [] indicates the greatest integer function.)


Problem: 9

Find f(–3.4) when f(x) = [3x + 4].

(Here [] indicates the greatest integer function.)


Problem: 11

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = 2x


Problem: 13

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = –2


Problem: 15

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.


Problem: 17

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = x + 4


Problem: 19

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = [x + 4]


Problem: 21

Find if the function is a constant, direct variation, absolute value, or greatest integer function. Then graph.

f(x) = [x] + 4


Problem: 23

Graph both the equations on the same plane and compare.

y = |x + 4|, y = |x – 4|


Problem: 25

Graph both the equations on the same plane and compare.

y = |x + 4|, y = |x + 4| – 2


Problem: 27

Graph both the equations on the same plane and compare.

y = [x + 4], y = [x] – 4

(Note: here, [ ] indicates the greatest integer function.)


Problem: 29

Graph both the equations on the same plane and compare.

y = –3|4x|, y = 4|–3x|


Problem: 31

Determine the vertex of the graph: y = |x| + 3


Problem: 33

Determine the vertex of the graph: y = |x – 3| + 2


Problem: 35

Determine the vertex of the graph: y = |3x + 9| + 7


Problem: 37

Determine the vertex of the graph: y = –3|7 – 3x| + 9


Problem: 39

Compute the values of y for the given values of x for the equation y = |x + 3| and complete the table. What is the pattern of symmetry?


Problem: 41

Compute the values of y for the given values of x for the equation y = 3|x – 2| + 2 and complete the table. What is the pattern of symmetry?


Problem: 43

Graph the equation: y = |x – 3|


Problem: 45

Graph the equation: y = |x| + 3


Problem: 47

Graph the equation: y = |3 – x| + 2


Problem: 49

Graph the equation: y = –2|4x + 2|