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Duplicate of Functions Review Flashcards | StudBud
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Duplicate of Functions Review
Duplicate of Functions Review
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It's easy, probably. #trigonometry #algebra #functions #functiontransformations
Flashcards
19 cards
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Questions
19
Answers
1
Which equation describes the function in this graph?
🍆
y=(x-1)2-2
y=(x+1)2-2
y=(x+1)2+2
2
Which transformation of y=|x+3| would result in this graph, but with a vertex moved up by 2?
y=|x+5|
y=|x+3|•2
y=|x+3|-2
y=|x+3|+2
3
The equation y=(x+1)
2
-2 would have a vertex at:
1,-2
-2,-1
-1,-2
-1,2
4
Which transformation of y=|x+3| would produce this graph, but flipped over the y-axis?
y=|-x+3|
y=-|x+3|
y=|-x-(-3)|
y=|x-3|
5
What is this function's domain?
All real numbers less than 3
All real numbers greater than 3
All real numbers
3 only
6
What are the y-intercepts of the equation y=x
2
+5x+6?
Just -2
-2 and 6
-3 and -2
-5 and 6
7
What is a function?
An equation that yields an output based on an input
If the input is x, f(x)
A function
An equation that yields an input based on an output
8
If you were to draw an oval onto an x and y-axis, could you express it as a function?
Nes
No
Yes
Yo
9
If f(x) = x/2, what is f(10)?
200.00%
2
10
5
10
f(x) = 2(-x)-3. Find f(3).
6
3
f(3) <- it's right there
-9
11
What is this function's range?
3 only
All real numbers less than 3
All real numbers
All real numbers greater than 3
12
y=-(x
2
) would look like which of the following as a graph?
A 'c' shape
An 'n' shape
A 'v' shape
A 'u' shape
13
f(x) can be written as which of the following:
yx
f(y)
x
y
14
Domain can be defined as:
All possible x-values for a function
🍆
All possible values for a function
All possible y-values for a function
15
Which function would result in this graph?
y=|x+3|
y=x•3
y=|x-3|
y=x
16
This test will only have one radical function, and it's "if f(x)=½(∛[x+3]), what's f(5)?"
2
½
1¾
1
17
Which transformation of y=x
3
would result in this graph?
y=(x3+3)-1
y=(x3+1)+3
y(x3-3)+1
y=(x3+1)-3
18
What is the difference between f(x)=4 and f(4)? More than one answer is possible.
f(x)=4 means that the function of 4 is x
f(x)=4 means the function of x is 4
f(4) means 4 is equal to y.
f(4) means it's a function of 4
19
Range can be defined as:
All possible y-values for a function
🍆
All possible values for a function
All possible x-values for a function
