Algebra 2 review - use polynomial long division to divide the following
give in the form of
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Question 2
2.
Given the following graph of a piecewise function, for what x does the limit not exist?
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Question 3
3.
For the above piecewise function, what kinds of discontinuities are on the graph, from left to right
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Question 4
4.
Watch the following video on composition of functions
Do you have any questions?
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Question 5
5.
If f(x) =3x+\log x, and asked you to find f(2), what would you do?
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Question 6
6.
If f(x) = x+2, which of the following would be a vertical shift for g(x)
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Question 7
7.
If f(x) = x+3 and g(x) = x-2, then f(g(x))=g(f(x))
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Question 8
8.
if f(x)=x+3 and g(x)=x^2, then f(g(x))=g(f(x))
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Question 9
9.
If f(g(x))=x it is said to be an inverse. you put x as an input into g() and the output from g(x) into f(x) which undid whatever g(x) did. If f(x) = 3x, what is the g(x) where g(f(x))=x?
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Question 10
10.
h(x) = g(f(x)) If h(x)=3+\log x^2 what might g(x) and f(x) be?
f(x)=_______
g(x)=_______
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Question 11
11.
how would you prove that decomposing (like you did above) a function is not a function? (ie. there are always multiple correct ways to decompose a function)
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Question 12
12.
watch this video on calculating inverses. Do you have any questions?
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Question 13
13.
Find the inverse of
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Question 14
14.
He says he can only find the inverse for a one-to-one function. What does that mean?
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Question 15
15.
Watch the following video on asymptotes for radical functions
do you have any questions?
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Question 16
16.
We discussed in class that you have to find numbers that must be excluded from the domain before you simplify a function. So the following function has a domain where x can't equal 1, even though (x-1) on top cancels with the one on bottom. what is this kind of scenario called
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Question 17
17.
honors: if f(g(x))=g(f(x)) does it follow that f(x) and g(x) are either inverses or the same operation? why or why not?
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Question 18
18.
The video said if the degree of the numerator was greater than the degree of the denominator there is no horizontal asymptote. Which is true. Go to desmos and plug in the following two equations. The linear equation is not a horizontal line, but it does look like an asymptote, why do you think that is?
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Question 19
19.
What is the relationship of the domain and range of a function and the domain and range of its inverse?
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Question 20
20.
Pair the term with the correct concept.
Draggable item
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Corresponding Item
Composite function
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Combines two functions.
Asymptote
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A line that a curve approaches.
Rational function
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Ratio of polynomials.
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Question 21
21.
Identify the appropriate pairings of function properties.
Draggable item
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Corresponding Item
Radical function
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Includes a root.
One-to-one function
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one output per input, Each output has only one input.
Inverse function
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Reverses another function.
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Question 22
22.
how are you tracking with the major topics from this week
What is a composite function
how to composite two functions
how to decompose a function
what an inverse function does
when, graphically, you cannot create an inverse function
when, verbally, you cannot create an inverse function