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WorksheetsOverview of Functions
Total questions: 167
Worksheet time: 6hrs 53mins
R: {0, 1, 2, -4}
R:{1, -3, -4}
R:{1, -3, -4}
R: {0, 1, 2, -4}
R:{-4, -3, 1}
R:{1, -3, -4}
R: {1, -3, -4, 1}
(9, -2) (4, 3) ( 8, 10) ( -4, 8)
What is the range?
x≥0
y≥0
All real numbers
{0, 1, 2, 3, 4,...}
What is the Domain?
-3 < x ≤ 3
-4 ≤ x < 5
-4 ≤ y ≤ 5
-3 < y ≤ 3
When identifying domain and range what symbol(s) is used when the value is included?
( )
[ ]
< >
{ }
When identifying domain and range what symbol(s) is used when the value is not included?
( )
[ ]
≤ ≥
{ }
What is the domain in Interval notation?
[ -2 , 2 ]
[ 4 , -4 ]
(-2 , 2 )
(4 , -4 )
What is the domain in inequality notation?
[ -2 , 2 ]
[ 4 , -4 ]
-2 ≤ x ≤ 2
4 ≥ y ≥ -4
What is the range in interval notation?
[ -2 , 2 ]
[ 4 , -4 ]
-2 ≤ x ≤ 2
4 ≥ y ≥ -4
What is the domain in interval notation?
( -5 , 5 )
[-2 , -4 )
-5 < x < 5
-2 ≥ y > -4
What is the domain in interval notation?
[ -2 , 2 )
( 5 , 1 ]
-2 ≤ x < 2
5 > y ≥ 1
What is the range in interval notation?
[ -2 , 2 )
( 5 , 1 ]
-2 ≤ x < 2
5 > y ≥ 1
What is the domain in inequality notation?
( -4 , 4 )
[ 1 , -3 )
-4 < x < 4
1 ≥ y > -3
Is the following a function?
YES
NO
DOES THIS GRAPH REPRESENT A FUNCTION?
NO
YES
DOES THE GRAPH REPRESENT A FUNCTION?
YES
NO
A
B
C
D
g(n)=2x-5
Find f(n)-g(n)
g(n)=-n-5
Find f(n)+g(n)
g(x)=2x-5
Find f(x)-g(x)
g(x) = x-9
Find f(x)-g(x).
g(x) = 5x-7
Find f(x)+g(x).
Evaluate: g(n)=2n+5; Find g(−5)
-1
7
-5
25
Evaluate: h(x)=2x+2; Find h(−7)
-10
-12
-16
6
Evaluate: f(x)=3x+3; Find f(−8)
-15
15
-12
-21
75
57
2329
71
f(n)=3n+2 and g(n)=−3n−4 Find: (f+g)(−10)
-2
91
52
31
f(x)=x−1 and g(x)=2x+2 Find: (f⋅g)(2)
160
100
28
6
f(x)=−3x2−1 and g(x)=−4x+1 Find: (gf)(−8)
193−33
34
9−13
33−193
f(a)=−3a−2 and g(a)=4a+2 Find: (gf)(a)
−3a−24a+2
a3+2a3a−4
3a−2−4a+2
4a+2−3a−2
f(n)=−2n2+4 and g(n)=2n+2 Find: (f+g)(n)
−n3−6n
n2−n+6
−2n2+2n+6
−2n2−2n+6
g(x)=2x−3 and h(x)=x3−x Find: (g+h)(x)
−x3−x−3
x3+x−3
−5x−2
−2x3−2x2−2x−3
f(x)=3x2−4 and g(x)=3x+4 Find: (f⋅g)(x)
9x3+12x2−12x−16
9x2+9x
4x4+16x2
−9x3+12x2+12x−16
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
q(x) = 2x2
Find q(p(x))
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
(f - g)(x)
5x2 + 3x
-3x2 - 13x
3x2 + 3x
-3x2 + 3x
(f + g) (x)
5x2 + 3x
4x2 + 3x
5x2 - 3x
4x2 - 40x
Find f(2).
-2
-18
24
6
Given f(x) = x+3, find f(-2).
-1
1
5
-5
f(x) = 2x2 + 5x - 17,
find f(-1).
g(x) = x2+3 , find f(g(x)).
h(x) = 4x + 5
Find (g - h)(3)
g(x) = x - 2
Find g(f(-10))
What is the RANGE of the function?
All real numbers
y ≤ 4
y < 4
0 ≤ y ≤ 4
Find f(0)
-3
18
4
0
Match the graph with the correct equation.
Find f(2)
f(2) = 0
f(2) = 1
f(2) = 3
f(2) = 4
A house painter charges $12 per hour for the first 40 hours he works, $18 for the ten hours after that, and $24 for all hours after that.
How much does he earn for a 70 hour week?
$1020
$1140
$840
He works for free!
Which parent function is shown?
f(x) = sin x
f(x) = x
f(x)=2x
f(x)=x
Which of the following parent functions does not have a Domain of all Real numbers?
Describe the transformation that occurred
p(x) = f(x + 3)
Right 3 units
Vertical Stretch
Up 3 units
Left 3 units
Describe the transformation that occurred.
h(x) = f(x) + 2
up 2 units
left 2 units
Vertical Strech
right 2 units
Describe the transformation that occurred.
w(x) = f(x - 7)
Down 7
Up 7
Right 7
vertical compression
Describe the transformation that occurred
m(x) = f(x + 1)
Left 1 Unit
Right 1 unit
vertical stretch
up 1 unit
Describe the transformation that occurred
k(x) = f(x) - 9
vertical compression
Down 9 units
Left 9 units
Right 9 Units
Describe the transformation that occurred
g(x) =2f(x)
Up 2 units
vertical compression
vertical stretch
Right 2 Units
Describe the transformation that occurred
h(x) = 1/5f(x)
Up 5 Units
vertical compression
vertical stretch
Down 5 Units
Describe the transformation that occurred
s(x) = 7f(x)
vertical compression
Up 7 Units
Over 7 Units
vertical stretch
d(x) = f(x) - 1
Describe the transformation that occurred
p(x) = f(x + 3)
Right 3 units
Vertical Stretch
Up 3 units
Left 3 units
Describe the transformation that occurred.
h(x) = f(x) + 2
up 2 units
left 2 units
Vertical Strech
right 2 units
Describe the transformation that occurred.
w(x) = f(x - 7)
Down 7
Up 7
Right 7
vertical compression
Which graphs have a line of symmetry? Check all of the boxes that apply.
Which functions are symmetric about the y-axis? Check all of the boxes that apply.
Which functions are even? Check all of the boxes that apply.
f(x)=x4−x2
f(x)=x2−3x+2
f(x)=(x−2)
f(x)=∣x∣
Which graphs have rotational symmetry? Check all of the boxes that apply.
This graph has rotational symmetry about the point:
Check all of the functions that are odd.
f(x)=x3−x2
f(x)=x5−3x3+2x
f(x)=4x+9
f(x)=x1
f(x) = x3 + 4x
f(x) = 3x4 - 2x2 + 5
Which of the following is NOT TRUE about inverse functions?
Inverse functions are reflections of each other over the line y = x.
You find the inverse by switching x and y in the equation.
The domain of a function always becomes the domain of its inverse.
The domain of a function always becomes the range of its inverse.
What's the best description?
They are both functions, but not inverse functions.
They are reflected over y=x, but they are not both functions.
They are not reflected over y=x, and they are not both functions.
They are inverse functions.
What is the best description?
They are both functions, but not inverse functions.
They are inverse functions.
They are reflected over y=x, but they are not both functions.
They are not reflected over y=x, and they are not both functions.
Which graph represents f-1(x) over the same domain?
f(x) = -4x - 12
What is f-1(x)?
f-1(x) = 4x - 3
f-1(x) = -1/4x - 3
f-1(x) = 1/4x + 3
f-1(x) = -4x - 3
Which is f -1(x)?
f -1(x) = 5x + 3
f -1(x) = 5x - 3
f -1(x) = 5x - 15
f -1(x) = 1/5(x) + 3/5
Which is f -1(x)?
f -1(x) = 3x + 5
f -1(x) = 3x - 5
f -1(x) = 3x - 15
f -1(x) = 3x + 15
How must the domain of f(x) be restricted such that g(x)=f-1(x) ?
x ≤ 0
x ≥ 0
x ≤ 3
x ≥ 3
How must the domain of f(x) be restricted such that g(x)=f-1(x) ?
x ≤ -4
x ≥ -4
x ≤ 0
x ≥ 0
If the equation of f(x) goes through (-1, 4) and (4, 6), what points does f-1(x) go through?
(1, 4) and (4, 6)
(-4, -1) and (-6, -4)
(-1, -4) and (-4, -6)
(4, -1) and (6, 4)
What is the FIRST step I need to take to solve for x in the following equation?
Add 9 to both sides
Take the square root of both sides
Divide both sides by 49
Multiply both sides by 9
f(x) = 1/4x - 7
f(x)=3x
Find f−1(x)
3x
x3
0.3x
x×3
f(x)=5x+1
Find f−1(x)
1x−5
5x−1
x−51
5x−1
f−1(x)=31x+35 , find the original function and type it below using function notation.
(a)
g(x)=−7x5+7 Find the inverse of the function.
g−1(x)=57x−7
g−1(x)=−57x−7
g−1(x)=5−7x−7
g−1(x)=−57x−7
Given the inverse of a function. Using function notation, type the original function (Hint: Use the carat (^) symbol for the exponent).
f−1(x)=34−x
(a)
